forked from luck/tmp_suning_uos_patched
[POWERPC] mpc5200: Cleanup checkpatch.pl problems in mpc52xx_uart.c
In preparation of adding MPC5121 support cleanup some things that checkpatch.pl complains about also some minor fixes suggested by Stephen Rothwell. Signed-off-by: John Rigby <jrigby@freescale.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
John Rigby
Grant Likely
parent
94f389485e
commit
406b7d4f7b
@ -36,7 +36,7 @@
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* DCD. However, the pin multiplexing aren't changed and should be set either
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* by the bootloader or in the platform init code.
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*
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* The idx field must be equal to the PSC index ( e.g. 0 for PSC1, 1 for PSC2,
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* The idx field must be equal to the PSC index (e.g. 0 for PSC1, 1 for PSC2,
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* and so on). So the PSC1 is mapped to /dev/ttyPSC0, PSC2 to /dev/ttyPSC1 and
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* so on. But be warned, it's an ABSOLUTE REQUIREMENT ! This is needed mainly
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* fpr the console code : without this 1:1 mapping, at early boot time, when we
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@ -68,8 +68,8 @@
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#include <linux/sysrq.h>
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#include <linux/console.h>
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#include <asm/delay.h>
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#include <asm/io.h>
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#include <linux/delay.h>
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#include <linux/io.h>
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#if defined(CONFIG_PPC_MERGE)
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#include <linux/of.h>
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@ -116,13 +116,14 @@ static void mpc52xx_uart_of_enumerate(void);
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/* Forward declaration of the interruption handling routine */
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static irqreturn_t mpc52xx_uart_int(int irq,void *dev_id);
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static irqreturn_t mpc52xx_uart_int(int irq, void *dev_id);
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/* Simple macro to test if a port is console or not. This one is taken
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* for serial_core.c and maybe should be moved to serial_core.h ? */
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#ifdef CONFIG_SERIAL_CORE_CONSOLE
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#define uart_console(port) ((port)->cons && (port)->cons->index == (port)->line)
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#define uart_console(port) \
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((port)->cons && (port)->cons->index == (port)->line)
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#else
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#define uart_console(port) (0)
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#endif
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@ -164,7 +165,7 @@ mpc52xx_uart_stop_tx(struct uart_port *port)
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{
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/* port->lock taken by caller */
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port->read_status_mask &= ~MPC52xx_PSC_IMR_TXRDY;
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out_be16(&PSC(port)->mpc52xx_psc_imr,port->read_status_mask);
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out_be16(&PSC(port)->mpc52xx_psc_imr, port->read_status_mask);
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}
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static void
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@ -172,7 +173,7 @@ mpc52xx_uart_start_tx(struct uart_port *port)
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{
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/* port->lock taken by caller */
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port->read_status_mask |= MPC52xx_PSC_IMR_TXRDY;
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out_be16(&PSC(port)->mpc52xx_psc_imr,port->read_status_mask);
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out_be16(&PSC(port)->mpc52xx_psc_imr, port->read_status_mask);
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}
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static void
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@ -186,7 +187,7 @@ mpc52xx_uart_send_xchar(struct uart_port *port, char ch)
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/* Make sure tx interrupts are on */
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/* Truly necessary ??? They should be anyway */
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port->read_status_mask |= MPC52xx_PSC_IMR_TXRDY;
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out_be16(&PSC(port)->mpc52xx_psc_imr,port->read_status_mask);
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out_be16(&PSC(port)->mpc52xx_psc_imr, port->read_status_mask);
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}
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spin_unlock_irqrestore(&port->lock, flags);
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@ -197,7 +198,7 @@ mpc52xx_uart_stop_rx(struct uart_port *port)
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{
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/* port->lock taken by caller */
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port->read_status_mask &= ~MPC52xx_PSC_IMR_RXRDY;
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out_be16(&PSC(port)->mpc52xx_psc_imr,port->read_status_mask);
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out_be16(&PSC(port)->mpc52xx_psc_imr, port->read_status_mask);
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}
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static void
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@ -212,10 +213,10 @@ mpc52xx_uart_break_ctl(struct uart_port *port, int ctl)
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unsigned long flags;
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spin_lock_irqsave(&port->lock, flags);
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if ( ctl == -1 )
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out_8(&PSC(port)->command,MPC52xx_PSC_START_BRK);
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if (ctl == -1)
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out_8(&PSC(port)->command, MPC52xx_PSC_START_BRK);
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else
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out_8(&PSC(port)->command,MPC52xx_PSC_STOP_BRK);
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out_8(&PSC(port)->command, MPC52xx_PSC_STOP_BRK);
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spin_unlock_irqrestore(&port->lock, flags);
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}
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@ -234,10 +235,10 @@ mpc52xx_uart_startup(struct uart_port *port)
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return ret;
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/* Reset/activate the port, clear and enable interrupts */
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out_8(&psc->command,MPC52xx_PSC_RST_RX);
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out_8(&psc->command,MPC52xx_PSC_RST_TX);
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out_8(&psc->command, MPC52xx_PSC_RST_RX);
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out_8(&psc->command, MPC52xx_PSC_RST_TX);
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out_be32(&psc->sicr,0); /* UART mode DCD ignored */
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out_be32(&psc->sicr, 0); /* UART mode DCD ignored */
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out_be16(&psc->mpc52xx_psc_clock_select, 0xdd00); /* /16 prescaler on */
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@ -247,10 +248,10 @@ mpc52xx_uart_startup(struct uart_port *port)
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out_be16(&fifo->tfalarm, 0x80);
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port->read_status_mask |= MPC52xx_PSC_IMR_RXRDY | MPC52xx_PSC_IMR_TXRDY;
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out_be16(&psc->mpc52xx_psc_imr,port->read_status_mask);
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out_be16(&psc->mpc52xx_psc_imr, port->read_status_mask);
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out_8(&psc->command,MPC52xx_PSC_TX_ENABLE);
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out_8(&psc->command,MPC52xx_PSC_RX_ENABLE);
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out_8(&psc->command, MPC52xx_PSC_TX_ENABLE);
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out_8(&psc->command, MPC52xx_PSC_RX_ENABLE);
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return 0;
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}
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@ -261,12 +262,12 @@ mpc52xx_uart_shutdown(struct uart_port *port)
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struct mpc52xx_psc __iomem *psc = PSC(port);
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/* Shut down the port. Leave TX active if on a console port */
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out_8(&psc->command,MPC52xx_PSC_RST_RX);
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out_8(&psc->command, MPC52xx_PSC_RST_RX);
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if (!uart_console(port))
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out_8(&psc->command,MPC52xx_PSC_RST_TX);
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out_8(&psc->command, MPC52xx_PSC_RST_TX);
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port->read_status_mask = 0;
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out_be16(&psc->mpc52xx_psc_imr,port->read_status_mask);
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out_be16(&psc->mpc52xx_psc_imr, port->read_status_mask);
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/* Release interrupt */
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free_irq(port->irq, port);
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@ -274,7 +275,7 @@ mpc52xx_uart_shutdown(struct uart_port *port)
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static void
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mpc52xx_uart_set_termios(struct uart_port *port, struct ktermios *new,
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struct ktermios *old)
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struct ktermios *old)
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{
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struct mpc52xx_psc __iomem *psc = PSC(port);
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unsigned long flags;
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@ -286,14 +287,14 @@ mpc52xx_uart_set_termios(struct uart_port *port, struct ktermios *new,
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mr1 = 0;
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switch (new->c_cflag & CSIZE) {
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case CS5: mr1 |= MPC52xx_PSC_MODE_5_BITS;
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break;
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case CS6: mr1 |= MPC52xx_PSC_MODE_6_BITS;
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break;
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case CS7: mr1 |= MPC52xx_PSC_MODE_7_BITS;
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break;
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case CS8:
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default: mr1 |= MPC52xx_PSC_MODE_8_BITS;
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case CS5: mr1 |= MPC52xx_PSC_MODE_5_BITS;
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break;
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case CS6: mr1 |= MPC52xx_PSC_MODE_6_BITS;
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break;
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case CS7: mr1 |= MPC52xx_PSC_MODE_7_BITS;
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break;
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case CS8:
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default: mr1 |= MPC52xx_PSC_MODE_8_BITS;
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}
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if (new->c_cflag & PARENB) {
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@ -335,24 +336,24 @@ mpc52xx_uart_set_termios(struct uart_port *port, struct ktermios *new,
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udelay(1);
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if (!j)
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printk( KERN_ERR "mpc52xx_uart.c: "
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printk(KERN_ERR "mpc52xx_uart.c: "
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"Unable to flush RX & TX fifos in-time in set_termios."
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"Some chars may have been lost.\n" );
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"Some chars may have been lost.\n");
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/* Reset the TX & RX */
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out_8(&psc->command,MPC52xx_PSC_RST_RX);
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out_8(&psc->command,MPC52xx_PSC_RST_TX);
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out_8(&psc->command, MPC52xx_PSC_RST_RX);
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out_8(&psc->command, MPC52xx_PSC_RST_TX);
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/* Send new mode settings */
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out_8(&psc->command,MPC52xx_PSC_SEL_MODE_REG_1);
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out_8(&psc->mode,mr1);
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out_8(&psc->mode,mr2);
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out_8(&psc->ctur,ctr >> 8);
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out_8(&psc->ctlr,ctr & 0xff);
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out_8(&psc->command, MPC52xx_PSC_SEL_MODE_REG_1);
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out_8(&psc->mode, mr1);
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out_8(&psc->mode, mr2);
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out_8(&psc->ctur, ctr >> 8);
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out_8(&psc->ctlr, ctr & 0xff);
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/* Reenable TX & RX */
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out_8(&psc->command,MPC52xx_PSC_TX_ENABLE);
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out_8(&psc->command,MPC52xx_PSC_RX_ENABLE);
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out_8(&psc->command, MPC52xx_PSC_TX_ENABLE);
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out_8(&psc->command, MPC52xx_PSC_RX_ENABLE);
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/* We're all set, release the lock */
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spin_unlock_irqrestore(&port->lock, flags);
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@ -367,7 +368,8 @@ mpc52xx_uart_type(struct uart_port *port)
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static void
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mpc52xx_uart_release_port(struct uart_port *port)
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{
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if (port->flags & UPF_IOREMAP) { /* remapped by us ? */
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/* remapped by us ? */
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if (port->flags & UPF_IOREMAP) {
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iounmap(port->membase);
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port->membase = NULL;
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}
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@ -382,7 +384,7 @@ mpc52xx_uart_request_port(struct uart_port *port)
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if (port->flags & UPF_IOREMAP) /* Need to remap ? */
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port->membase = ioremap(port->mapbase,
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sizeof(struct mpc52xx_psc));
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sizeof(struct mpc52xx_psc));
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if (!port->membase)
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return -EINVAL;
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@ -401,22 +403,22 @@ mpc52xx_uart_request_port(struct uart_port *port)
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static void
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mpc52xx_uart_config_port(struct uart_port *port, int flags)
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{
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if ( (flags & UART_CONFIG_TYPE) &&
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(mpc52xx_uart_request_port(port) == 0) )
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port->type = PORT_MPC52xx;
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if ((flags & UART_CONFIG_TYPE)
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&& (mpc52xx_uart_request_port(port) == 0))
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port->type = PORT_MPC52xx;
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}
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static int
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mpc52xx_uart_verify_port(struct uart_port *port, struct serial_struct *ser)
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{
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if ( ser->type != PORT_UNKNOWN && ser->type != PORT_MPC52xx )
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if (ser->type != PORT_UNKNOWN && ser->type != PORT_MPC52xx)
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return -EINVAL;
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if ( (ser->irq != port->irq) ||
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(ser->io_type != SERIAL_IO_MEM) ||
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(ser->baud_base != port->uartclk) ||
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(ser->iomem_base != (void*)port->mapbase) ||
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(ser->hub6 != 0 ) )
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if ((ser->irq != port->irq) ||
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(ser->io_type != SERIAL_IO_MEM) ||
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(ser->baud_base != port->uartclk) ||
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(ser->iomem_base != (void *)port->mapbase) ||
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(ser->hub6 != 0))
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return -EINVAL;
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return 0;
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@ -458,8 +460,8 @@ mpc52xx_uart_int_rx_chars(struct uart_port *port)
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unsigned short status;
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/* While we can read, do so ! */
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while ( (status = in_be16(&PSC(port)->mpc52xx_psc_status)) &
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MPC52xx_PSC_SR_RXRDY) {
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while ((status = in_be16(&PSC(port)->mpc52xx_psc_status)) &
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MPC52xx_PSC_SR_RXRDY) {
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/* Get the char */
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ch = in_8(&PSC(port)->mpc52xx_psc_buffer_8);
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@ -477,9 +479,9 @@ mpc52xx_uart_int_rx_chars(struct uart_port *port)
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flag = TTY_NORMAL;
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port->icount.rx++;
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if ( status & (MPC52xx_PSC_SR_PE |
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MPC52xx_PSC_SR_FE |
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MPC52xx_PSC_SR_RB) ) {
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if (status & (MPC52xx_PSC_SR_PE |
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MPC52xx_PSC_SR_FE |
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MPC52xx_PSC_SR_RB)) {
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if (status & MPC52xx_PSC_SR_RB) {
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flag = TTY_BREAK;
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@ -490,7 +492,7 @@ mpc52xx_uart_int_rx_chars(struct uart_port *port)
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flag = TTY_FRAME;
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/* Clear error condition */
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out_8(&PSC(port)->command,MPC52xx_PSC_RST_ERR_STAT);
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out_8(&PSC(port)->command, MPC52xx_PSC_RST_ERR_STAT);
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}
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tty_insert_flip_char(tty, ch, flag);
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@ -571,16 +573,16 @@ mpc52xx_uart_int(int irq, void *dev_id)
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/* Do we need to receive chars ? */
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/* For this RX interrupts must be on and some chars waiting */
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if ( status & MPC52xx_PSC_IMR_RXRDY )
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if (status & MPC52xx_PSC_IMR_RXRDY)
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keepgoing |= mpc52xx_uart_int_rx_chars(port);
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/* Do we need to send chars ? */
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/* For this, TX must be ready and TX interrupt enabled */
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if ( status & MPC52xx_PSC_IMR_TXRDY )
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if (status & MPC52xx_PSC_IMR_TXRDY)
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keepgoing |= mpc52xx_uart_int_tx_chars(port);
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/* Limit number of iteration */
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if ( !(--pass) )
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if (!(--pass))
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keepgoing = 0;
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} while (keepgoing);
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@ -599,7 +601,7 @@ mpc52xx_uart_int(int irq, void *dev_id)
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static void __init
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mpc52xx_console_get_options(struct uart_port *port,
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int *baud, int *parity, int *bits, int *flow)
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int *baud, int *parity, int *bits, int *flow)
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{
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struct mpc52xx_psc __iomem *psc = PSC(port);
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unsigned char mr1;
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@ -607,7 +609,7 @@ mpc52xx_console_get_options(struct uart_port *port,
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pr_debug("mpc52xx_console_get_options(port=%p)\n", port);
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/* Read the mode registers */
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out_8(&psc->command,MPC52xx_PSC_SEL_MODE_REG_1);
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out_8(&psc->command, MPC52xx_PSC_SEL_MODE_REG_1);
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mr1 = in_8(&psc->mode);
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/* CT{U,L}R are write-only ! */
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@ -619,11 +621,18 @@ mpc52xx_console_get_options(struct uart_port *port,
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/* Parse them */
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switch (mr1 & MPC52xx_PSC_MODE_BITS_MASK) {
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case MPC52xx_PSC_MODE_5_BITS: *bits = 5; break;
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case MPC52xx_PSC_MODE_6_BITS: *bits = 6; break;
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case MPC52xx_PSC_MODE_7_BITS: *bits = 7; break;
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case MPC52xx_PSC_MODE_8_BITS:
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default: *bits = 8;
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case MPC52xx_PSC_MODE_5_BITS:
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*bits = 5;
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break;
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case MPC52xx_PSC_MODE_6_BITS:
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*bits = 6;
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break;
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case MPC52xx_PSC_MODE_7_BITS:
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*bits = 7;
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break;
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case MPC52xx_PSC_MODE_8_BITS:
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default:
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*bits = 8;
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}
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if (mr1 & MPC52xx_PSC_MODE_PARNONE)
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@ -660,7 +669,7 @@ mpc52xx_console_write(struct console *co, const char *s, unsigned int count)
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/* Wait the TX buffer to be empty */
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j = 20000; /* Maximum wait */
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while (!(in_be16(&psc->mpc52xx_psc_status) &
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MPC52xx_PSC_SR_TXEMP) && --j)
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MPC52xx_PSC_SR_TXEMP) && --j)
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udelay(1);
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}
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@ -733,16 +742,18 @@ mpc52xx_console_setup(struct console *co, char *options)
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}
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pr_debug("Console on ttyPSC%x is %s\n",
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co->index, mpc52xx_uart_nodes[co->index]->full_name);
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co->index, mpc52xx_uart_nodes[co->index]->full_name);
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/* Fetch register locations */
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if ((ret = of_address_to_resource(np, 0, &res)) != 0) {
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ret = of_address_to_resource(np, 0, &res);
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if (ret) {
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pr_debug("Could not get resources for PSC%x\n", co->index);
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return ret;
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}
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/* Search for bus-frequency property in this node or a parent */
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if ((ipb_freq = mpc52xx_find_ipb_freq(np)) == 0) {
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ipb_freq = mpc52xx_find_ipb_freq(np);
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if (ipb_freq == 0) {
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pr_debug("Could not find IPB bus frequency!\n");
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return -EINVAL;
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}
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@ -760,7 +771,8 @@ mpc52xx_console_setup(struct console *co, char *options)
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return -EINVAL;
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pr_debug("mpc52xx-psc uart at %p, mapped to %p, irq=%x, freq=%i\n",
|
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(void*)port->mapbase, port->membase, port->irq, port->uartclk);
|
||||
(void *)port->mapbase, port->membase,
|
||||
port->irq, port->uartclk);
|
||||
|
||||
/* Setup the port parameters accoding to options */
|
||||
if (options)
|
||||
@ -769,7 +781,7 @@ mpc52xx_console_setup(struct console *co, char *options)
|
||||
mpc52xx_console_get_options(port, &baud, &parity, &bits, &flow);
|
||||
|
||||
pr_debug("Setting console parameters: %i %i%c1 flow=%c\n",
|
||||
baud, bits, parity, flow);
|
||||
baud, bits, parity, flow);
|
||||
|
||||
return uart_set_options(port, co, baud, parity, bits, flow);
|
||||
}
|
||||
@ -784,7 +796,7 @@ static struct console mpc52xx_console = {
|
||||
.device = uart_console_device,
|
||||
.setup = mpc52xx_console_setup,
|
||||
.flags = CON_PRINTBUFFER,
|
||||
.index = -1, /* Specified on the cmdline (e.g. console=ttyPSC0 ) */
|
||||
.index = -1, /* Specified on the cmdline (e.g. console=ttyPSC0) */
|
||||
.data = &mpc52xx_uart_driver,
|
||||
};
|
||||
|
||||
@ -812,7 +824,6 @@ console_initcall(mpc52xx_console_init);
|
||||
/* ======================================================================== */
|
||||
|
||||
static struct uart_driver mpc52xx_uart_driver = {
|
||||
.owner = THIS_MODULE,
|
||||
.driver_name = "mpc52xx_psc_uart",
|
||||
.dev_name = "ttyPSC",
|
||||
.major = SERIAL_PSC_MAJOR,
|
||||
@ -840,7 +851,7 @@ mpc52xx_uart_probe(struct platform_device *dev)
|
||||
if (idx < 0 || idx >= MPC52xx_PSC_MAXNUM)
|
||||
return -EINVAL;
|
||||
|
||||
if (!mpc52xx_match_psc_function(idx,"uart"))
|
||||
if (!mpc52xx_match_psc_function(idx, "uart"))
|
||||
return -ENODEV;
|
||||
|
||||
/* Init the port structure */
|
||||
@ -851,13 +862,13 @@ mpc52xx_uart_probe(struct platform_device *dev)
|
||||
port->fifosize = 512;
|
||||
port->iotype = UPIO_MEM;
|
||||
port->flags = UPF_BOOT_AUTOCONF |
|
||||
( uart_console(port) ? 0 : UPF_IOREMAP );
|
||||
(uart_console(port) ? 0 : UPF_IOREMAP);
|
||||
port->line = idx;
|
||||
port->ops = &mpc52xx_uart_ops;
|
||||
port->dev = &dev->dev;
|
||||
|
||||
/* Search for IRQ and mapbase */
|
||||
for (i=0 ; i<dev->num_resources ; i++, res++) {
|
||||
for (i = 0 ; i < dev->num_resources ; i++, res++) {
|
||||
if (res->flags & IORESOURCE_MEM)
|
||||
port->mapbase = res->start;
|
||||
else if (res->flags & IORESOURCE_IRQ)
|
||||
@ -869,7 +880,7 @@ mpc52xx_uart_probe(struct platform_device *dev)
|
||||
/* Add the port to the uart sub-system */
|
||||
ret = uart_add_one_port(&mpc52xx_uart_driver, port);
|
||||
if (!ret)
|
||||
platform_set_drvdata(dev, (void*)port);
|
||||
platform_set_drvdata(dev, (void *)port);
|
||||
|
||||
return ret;
|
||||
}
|
||||
@ -920,6 +931,7 @@ static struct platform_driver mpc52xx_uart_platform_driver = {
|
||||
.resume = mpc52xx_uart_resume,
|
||||
#endif
|
||||
.driver = {
|
||||
.owner = THIS_MODULE,
|
||||
.name = "mpc52xx-psc",
|
||||
},
|
||||
};
|
||||
@ -949,10 +961,11 @@ mpc52xx_uart_of_probe(struct of_device *op, const struct of_device_id *match)
|
||||
if (idx >= MPC52xx_PSC_MAXNUM)
|
||||
return -EINVAL;
|
||||
pr_debug("Found %s assigned to ttyPSC%x\n",
|
||||
mpc52xx_uart_nodes[idx]->full_name, idx);
|
||||
mpc52xx_uart_nodes[idx]->full_name, idx);
|
||||
|
||||
/* Search for bus-frequency property in this node or a parent */
|
||||
if ((ipb_freq = mpc52xx_find_ipb_freq(op->node)) == 0) {
|
||||
ipb_freq = mpc52xx_find_ipb_freq(op->node);
|
||||
if (ipb_freq == 0) {
|
||||
dev_dbg(&op->dev, "Could not find IPB bus frequency!\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
@ -965,22 +978,23 @@ mpc52xx_uart_of_probe(struct of_device *op, const struct of_device_id *match)
|
||||
port->fifosize = 512;
|
||||
port->iotype = UPIO_MEM;
|
||||
port->flags = UPF_BOOT_AUTOCONF |
|
||||
( uart_console(port) ? 0 : UPF_IOREMAP );
|
||||
(uart_console(port) ? 0 : UPF_IOREMAP);
|
||||
port->line = idx;
|
||||
port->ops = &mpc52xx_uart_ops;
|
||||
port->dev = &op->dev;
|
||||
|
||||
/* Search for IRQ and mapbase */
|
||||
if ((ret = of_address_to_resource(op->node, 0, &res)) != 0)
|
||||
ret = of_address_to_resource(op->node, 0, &res);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
port->mapbase = res.start;
|
||||
port->irq = irq_of_parse_and_map(op->node, 0);
|
||||
|
||||
dev_dbg(&op->dev, "mpc52xx-psc uart at %p, irq=%x, freq=%i\n",
|
||||
(void*)port->mapbase, port->irq, port->uartclk);
|
||||
(void *)port->mapbase, port->irq, port->uartclk);
|
||||
|
||||
if ((port->irq==NO_IRQ) || !port->mapbase) {
|
||||
if ((port->irq == NO_IRQ) || !port->mapbase) {
|
||||
printk(KERN_ERR "Could not allocate resources for PSC\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
@ -988,7 +1002,7 @@ mpc52xx_uart_of_probe(struct of_device *op, const struct of_device_id *match)
|
||||
/* Add the port to the uart sub-system */
|
||||
ret = uart_add_one_port(&mpc52xx_uart_driver, port);
|
||||
if (!ret)
|
||||
dev_set_drvdata(&op->dev, (void*)port);
|
||||
dev_set_drvdata(&op->dev, (void *)port);
|
||||
|
||||
return ret;
|
||||
}
|
||||
@ -1051,6 +1065,7 @@ mpc52xx_uart_of_assign(struct device_node *np, int idx)
|
||||
if (idx < 0)
|
||||
return; /* No free slot; abort */
|
||||
|
||||
of_node_get(np);
|
||||
/* If the slot is already occupied, then swap slots */
|
||||
if (mpc52xx_uart_nodes[idx] && (free_idx != -1))
|
||||
mpc52xx_uart_nodes[free_idx] = mpc52xx_uart_nodes[idx];
|
||||
@ -1060,7 +1075,7 @@ mpc52xx_uart_of_assign(struct device_node *np, int idx)
|
||||
static void
|
||||
mpc52xx_uart_of_enumerate(void)
|
||||
{
|
||||
static int enum_done = 0;
|
||||
static int enum_done;
|
||||
struct device_node *np;
|
||||
const unsigned int *devno;
|
||||
int i;
|
||||
@ -1074,7 +1089,7 @@ mpc52xx_uart_of_enumerate(void)
|
||||
|
||||
/* Is a particular device number requested? */
|
||||
devno = of_get_property(np, "port-number", NULL);
|
||||
mpc52xx_uart_of_assign(of_node_get(np), devno ? *devno : -1);
|
||||
mpc52xx_uart_of_assign(np, devno ? *devno : -1);
|
||||
}
|
||||
|
||||
enum_done = 1;
|
||||
@ -1082,15 +1097,13 @@ mpc52xx_uart_of_enumerate(void)
|
||||
for (i = 0; i < MPC52xx_PSC_MAXNUM; i++) {
|
||||
if (mpc52xx_uart_nodes[i])
|
||||
pr_debug("%s assigned to ttyPSC%x\n",
|
||||
mpc52xx_uart_nodes[i]->full_name, i);
|
||||
mpc52xx_uart_nodes[i]->full_name, i);
|
||||
}
|
||||
}
|
||||
|
||||
MODULE_DEVICE_TABLE(of, mpc52xx_uart_of_match);
|
||||
|
||||
static struct of_platform_driver mpc52xx_uart_of_driver = {
|
||||
.owner = THIS_MODULE,
|
||||
.name = "mpc52xx-psc-uart",
|
||||
.match_table = mpc52xx_uart_of_match,
|
||||
.probe = mpc52xx_uart_of_probe,
|
||||
.remove = mpc52xx_uart_of_remove,
|
||||
@ -1116,7 +1129,8 @@ mpc52xx_uart_init(void)
|
||||
|
||||
printk(KERN_INFO "Serial: MPC52xx PSC UART driver\n");
|
||||
|
||||
if ((ret = uart_register_driver(&mpc52xx_uart_driver)) != 0) {
|
||||
ret = uart_register_driver(&mpc52xx_uart_driver);
|
||||
if (ret) {
|
||||
printk(KERN_ERR "%s: uart_register_driver failed (%i)\n",
|
||||
__FILE__, ret);
|
||||
return ret;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user