forked from luck/tmp_suning_uos_patched
[PATCH] Char: istallion, remove the mess
- remove unneeded license text - remove functions, that are implemented in kernel -- call them (strtoul, min, tolower) - do not cast NULL - there is no static table, throw away code, which takes care of it -- find module param cards in that place instead. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jiri Slaby
Linus Torvalds
parent
845bead4c3
commit
a3f8d9d5e1
@ -14,14 +14,6 @@
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/*****************************************************************************/
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@ -41,6 +33,7 @@
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#include <linux/device.h>
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#include <linux/wait.h>
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#include <linux/eisa.h>
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#include <linux/ctype.h>
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#include <asm/io.h>
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#include <asm/uaccess.h>
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@ -61,21 +54,10 @@
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#define BRD_BRUMBY4 2
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#define BRD_ONBOARD2 3
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#define BRD_ONBOARD 4
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#define BRD_BRUMBY8 5
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#define BRD_BRUMBY16 6
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#define BRD_ONBOARDE 7
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#define BRD_ONBOARD32 9
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#define BRD_ONBOARD2_32 10
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#define BRD_ONBOARDRS 11
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#define BRD_EASYIO 20
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#define BRD_ECH 21
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#define BRD_ECHMC 22
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#define BRD_ECP 23
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#define BRD_ECPE 24
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#define BRD_ECPMC 25
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#define BRD_ECHPCI 26
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#define BRD_ECH64PCI 27
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#define BRD_EASYIOPCI 28
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#define BRD_ECPPCI 29
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#define BRD_BRUMBY BRD_BRUMBY4
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@ -128,11 +110,7 @@ typedef struct {
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int irqtype;
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} stlconf_t;
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static stlconf_t stli_brdconf[] = {
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/*{ BRD_ECP, 0x2a0, 0, 0xcc000, 0, 0 },*/
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};
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static int stli_nrbrds = ARRAY_SIZE(stli_brdconf);
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static int stli_nrbrds;
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/* stli_lock must NOT be taken holding brd_lock */
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static spinlock_t stli_lock; /* TTY logic lock */
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@ -257,18 +235,18 @@ static char *stli_brdnames[] = {
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"Brumby",
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"Brumby",
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"ONboard-EI",
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(char *) NULL,
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NULL,
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"ONboard",
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"ONboard-MC",
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"ONboard-MC",
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(char *) NULL,
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(char *) NULL,
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(char *) NULL,
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(char *) NULL,
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(char *) NULL,
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(char *) NULL,
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(char *) NULL,
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(char *) NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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"EasyIO",
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"EC8/32-AT",
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"EC8/32-MC",
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@ -402,9 +380,6 @@ static int stli_eisamempsize = ARRAY_SIZE(stli_eisamemprobeaddrs);
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/*
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* Define the Stallion PCI vendor and device IDs.
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*/
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#ifndef PCI_VENDOR_ID_STALLION
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#define PCI_VENDOR_ID_STALLION 0x124d
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#endif
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#ifndef PCI_DEVICE_ID_ECRA
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#define PCI_DEVICE_ID_ECRA 0x0004
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#endif
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@ -615,17 +590,6 @@ static struct pci_driver stli_pcidriver;
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/*****************************************************************************/
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/*
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* Define some handy local macros...
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*/
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#undef MIN
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#define MIN(a,b) (((a) <= (b)) ? (a) : (b))
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#undef TOLOWER
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#define TOLOWER(x) ((((x) >= 'A') && ((x) <= 'Z')) ? ((x) + 0x20) : (x))
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/*****************************************************************************/
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/*
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* Prototype all functions in this driver!
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*/
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@ -843,69 +807,6 @@ module_exit(istallion_module_exit);
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/*****************************************************************************/
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/*
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* Check for any arguments passed in on the module load command line.
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*/
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static void stli_argbrds(void)
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{
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stlconf_t conf;
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stlibrd_t *brdp;
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int i;
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for (i = stli_nrbrds; i < ARRAY_SIZE(stli_brdsp); i++) {
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memset(&conf, 0, sizeof(conf));
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if (stli_parsebrd(&conf, stli_brdsp[i]) == 0)
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continue;
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if ((brdp = stli_allocbrd()) == NULL)
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continue;
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stli_nrbrds = i + 1;
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brdp->brdnr = i;
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brdp->brdtype = conf.brdtype;
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brdp->iobase = conf.ioaddr1;
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brdp->memaddr = conf.memaddr;
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stli_brdinit(brdp);
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}
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}
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/*****************************************************************************/
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/*
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* Convert an ascii string number into an unsigned long.
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*/
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static unsigned long stli_atol(char *str)
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{
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unsigned long val;
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int base, c;
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char *sp;
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val = 0;
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sp = str;
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if ((*sp == '0') && (*(sp+1) == 'x')) {
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base = 16;
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sp += 2;
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} else if (*sp == '0') {
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base = 8;
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sp++;
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} else {
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base = 10;
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}
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for (; (*sp != 0); sp++) {
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c = (*sp > '9') ? (TOLOWER(*sp) - 'a' + 10) : (*sp - '0');
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if ((c < 0) || (c >= base)) {
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printk("STALLION: invalid argument %s\n", str);
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val = 0;
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break;
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}
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val = (val * base) + c;
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}
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return(val);
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}
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/*****************************************************************************/
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/*
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* Parse the supplied argument string, into the board conf struct.
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*/
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@ -919,7 +820,7 @@ static int stli_parsebrd(stlconf_t *confp, char **argp)
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return 0;
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for (sp = argp[0], i = 0; ((*sp != 0) && (i < 25)); sp++, i++)
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*sp = TOLOWER(*sp);
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*sp = tolower(*sp);
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for (i = 0; i < ARRAY_SIZE(stli_brdstr); i++) {
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if (strcmp(stli_brdstr[i].name, argp[0]) == 0)
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@ -932,9 +833,9 @@ static int stli_parsebrd(stlconf_t *confp, char **argp)
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confp->brdtype = stli_brdstr[i].type;
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if (argp[1] != NULL && *argp[1] != 0)
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confp->ioaddr1 = stli_atol(argp[1]);
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confp->ioaddr1 = simple_strtoul(argp[1], NULL, 0);
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if (argp[2] != NULL && *argp[2] != 0)
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confp->memaddr = stli_atol(argp[2]);
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confp->memaddr = simple_strtoul(argp[2], NULL, 0);
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return(1);
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}
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@ -1451,12 +1352,12 @@ static int stli_write(struct tty_struct *tty, const unsigned char *buf, int coun
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stlen = len;
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}
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len = MIN(len, count);
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len = min(len, (unsigned int)count);
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count = 0;
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shbuf = (char __iomem *) EBRDGETMEMPTR(brdp, portp->txoffset);
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while (len > 0) {
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stlen = MIN(len, stlen);
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stlen = min(len, stlen);
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memcpy_toio(shbuf + head, chbuf, stlen);
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chbuf += stlen;
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len -= stlen;
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@ -1570,13 +1471,13 @@ static void stli_flushchars(struct tty_struct *tty)
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stlen = len;
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}
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len = MIN(len, cooksize);
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len = min(len, cooksize);
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count = 0;
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shbuf = EBRDGETMEMPTR(brdp, portp->txoffset);
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buf = stli_txcookbuf;
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while (len > 0) {
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stlen = MIN(len, stlen);
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stlen = min(len, stlen);
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memcpy_toio(shbuf + head, buf, stlen);
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buf += stlen;
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len -= stlen;
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@ -2412,7 +2313,7 @@ static void stli_read(stlibrd_t *brdp, stliport_t *portp)
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while (len > 0) {
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unsigned char *cptr;
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stlen = MIN(len, stlen);
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stlen = min(len, stlen);
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tty_prepare_flip_string(tty, &cptr, stlen);
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memcpy_fromio(cptr, shbuf + tail, stlen);
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len -= stlen;
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@ -3394,7 +3295,6 @@ static int stli_initecp(stlibrd_t *brdp)
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*/
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switch (brdp->brdtype) {
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case BRD_ECP:
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brdp->membase = (void *) brdp->memaddr;
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brdp->memsize = ECP_MEMSIZE;
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brdp->pagesize = ECP_ATPAGESIZE;
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brdp->init = stli_ecpinit;
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@ -3408,7 +3308,6 @@ static int stli_initecp(stlibrd_t *brdp)
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break;
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case BRD_ECPE:
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brdp->membase = (void *) brdp->memaddr;
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brdp->memsize = ECP_MEMSIZE;
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brdp->pagesize = ECP_EIPAGESIZE;
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brdp->init = stli_ecpeiinit;
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@ -3422,7 +3321,6 @@ static int stli_initecp(stlibrd_t *brdp)
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break;
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case BRD_ECPMC:
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brdp->membase = (void *) brdp->memaddr;
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brdp->memsize = ECP_MEMSIZE;
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brdp->pagesize = ECP_MCPAGESIZE;
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brdp->init = NULL;
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@ -3436,7 +3334,6 @@ static int stli_initecp(stlibrd_t *brdp)
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break;
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case BRD_ECPPCI:
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brdp->membase = (void *) brdp->memaddr;
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brdp->memsize = ECP_PCIMEMSIZE;
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brdp->pagesize = ECP_PCIPAGESIZE;
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brdp->init = stli_ecppciinit;
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@ -3543,10 +3440,7 @@ static int stli_initonb(stlibrd_t *brdp)
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*/
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switch (brdp->brdtype) {
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case BRD_ONBOARD:
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case BRD_ONBOARD32:
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case BRD_ONBOARD2:
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case BRD_ONBOARD2_32:
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case BRD_ONBOARDRS:
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brdp->memsize = ONB_MEMSIZE;
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brdp->pagesize = ONB_ATPAGESIZE;
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brdp->init = stli_onbinit;
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@ -3577,8 +3471,6 @@ static int stli_initonb(stlibrd_t *brdp)
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break;
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case BRD_BRUMBY4:
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case BRD_BRUMBY8:
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case BRD_BRUMBY16:
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brdp->memsize = BBY_MEMSIZE;
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brdp->pagesize = BBY_PAGESIZE;
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brdp->init = stli_bbyinit;
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@ -3795,22 +3687,10 @@ static int __devinit stli_brdinit(stlibrd_t *brdp)
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case BRD_ONBOARD:
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case BRD_ONBOARDE:
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case BRD_ONBOARD2:
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case BRD_ONBOARD32:
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case BRD_ONBOARD2_32:
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case BRD_ONBOARDRS:
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case BRD_BRUMBY4:
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case BRD_BRUMBY8:
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case BRD_BRUMBY16:
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case BRD_STALLION:
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stli_initonb(brdp);
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break;
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case BRD_EASYIO:
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case BRD_ECH:
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case BRD_ECHMC:
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case BRD_ECHPCI:
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printk(KERN_ERR "STALLION: %s board type not supported in "
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"this driver\n", stli_brdnames[brdp->brdtype]);
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return -ENODEV;
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default:
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printk(KERN_ERR "STALLION: board=%d is unknown board "
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"type=%d\n", brdp->brdnr, brdp->brdtype);
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@ -4119,37 +3999,23 @@ static stlibrd_t *stli_allocbrd(void)
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static int stli_initbrds(void)
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{
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stlibrd_t *brdp, *nxtbrdp;
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stlconf_t *confp;
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stlconf_t conf;
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int i, j, retval;
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if (stli_nrbrds > STL_MAXBRDS) {
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printk(KERN_INFO "STALLION: too many boards in configuration "
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"table, truncating to %d\n", STL_MAXBRDS);
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stli_nrbrds = STL_MAXBRDS;
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}
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/*
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* Firstly scan the list of static boards configured. Allocate
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* resources and initialize the boards as found. If this is a
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* module then let the module args override static configuration.
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*/
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for (i = 0; (i < stli_nrbrds); i++) {
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confp = &stli_brdconf[i];
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stli_parsebrd(confp, stli_brdsp[i]);
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for (stli_nrbrds = 0; stli_nrbrds < ARRAY_SIZE(stli_brdsp);
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stli_nrbrds++) {
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memset(&conf, 0, sizeof(conf));
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if (stli_parsebrd(&conf, stli_brdsp[stli_nrbrds]) == 0)
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continue;
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if ((brdp = stli_allocbrd()) == NULL)
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return -ENOMEM;
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brdp->brdnr = i;
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brdp->brdtype = confp->brdtype;
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brdp->iobase = confp->ioaddr1;
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brdp->memaddr = confp->memaddr;
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continue;
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brdp->brdnr = stli_nrbrds;
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brdp->brdtype = conf.brdtype;
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brdp->iobase = conf.ioaddr1;
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brdp->memaddr = conf.memaddr;
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stli_brdinit(brdp);
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}
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/*
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* Static configuration table done, so now use dynamic methods to
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* see if any more boards should be configured.
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*/
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stli_argbrds();
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if (STLI_EISAPROBE)
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stli_findeisabrds();
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@ -4225,7 +4091,7 @@ static ssize_t stli_memread(struct file *fp, char __user *buf, size_t count, lof
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if (off >= brdp->memsize || off + count < off)
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return 0;
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size = MIN(count, (brdp->memsize - off));
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size = min(count, (size_t)(brdp->memsize - off));
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/*
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* Copy the data a page at a time
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@ -4239,8 +4105,8 @@ static ssize_t stli_memread(struct file *fp, char __user *buf, size_t count, lof
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spin_lock_irqsave(&brd_lock, flags);
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EBRDENABLE(brdp);
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memptr = EBRDGETMEMPTR(brdp, off);
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n = MIN(size, (brdp->pagesize - (((unsigned long) off) % brdp->pagesize)));
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n = MIN(n, PAGE_SIZE);
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n = min(size, (int)(brdp->pagesize - (((unsigned long) off) % brdp->pagesize)));
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n = min(n, (int)PAGE_SIZE);
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memcpy_fromio(p, memptr, n);
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EBRDDISABLE(brdp);
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spin_unlock_irqrestore(&brd_lock, flags);
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@ -4291,7 +4157,7 @@ static ssize_t stli_memwrite(struct file *fp, const char __user *buf, size_t cou
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return 0;
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chbuf = (char __user *) buf;
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size = MIN(count, (brdp->memsize - off));
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size = min(count, (size_t)(brdp->memsize - off));
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/*
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* Copy the data a page at a time
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@ -4302,8 +4168,8 @@ static ssize_t stli_memwrite(struct file *fp, const char __user *buf, size_t cou
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return -ENOMEM;
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while (size > 0) {
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n = MIN(size, (brdp->pagesize - (((unsigned long) off) % brdp->pagesize)));
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n = MIN(n, PAGE_SIZE);
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n = min(size, (int)(brdp->pagesize - (((unsigned long) off) % brdp->pagesize)));
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n = min(n, (int)PAGE_SIZE);
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if (copy_from_user(p, chbuf, n)) {
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if (count == 0)
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count = -EFAULT;
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