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clk: clk-xgene: Adjust six checks for null pointers

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The script “checkpatch.pl” pointed information out like the
following.

	Comparison to NULL could be written ...

Thus fix the affected source code places.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This commit is contained in:
Markus Elfring 2017-09-26 21:27:52 +02:00 committed by Stephen Boyd
parent e335545f5d
commit 62c73ed5bf
1 changed files with 6 additions and 6 deletions
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12
drivers/clk/clk-xgene.c
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@ -189,7 +189,7 @@ static void xgene_pllclk_init(struct device_node *np, enum xgene_pll_type pll_ty
int version = xgene_pllclk_version(np);
reg = of_iomap(np, 0);
if (reg == NULL) {
if (!reg) {
pr_err("Unable to map CSR register for %pOF\n", np);
return;
}
@ -465,7 +465,7 @@ static int xgene_clk_enable(struct clk_hw *hw)
if (pclk->lock)
spin_lock_irqsave(pclk->lock, flags);
if (pclk->param.csr_reg != NULL) {
if (pclk->param.csr_reg) {
pr_debug("%s clock enabled\n", clk_hw_get_name(hw));
/* First enable the clock */
data = xgene_clk_read(pclk->param.csr_reg +
@ -505,7 +505,7 @@ static void xgene_clk_disable(struct clk_hw *hw)
if (pclk->lock)
spin_lock_irqsave(pclk->lock, flags);
if (pclk->param.csr_reg != NULL) {
if (pclk->param.csr_reg) {
pr_debug("%s clock disabled\n", clk_hw_get_name(hw));
/* First put the CSR in reset */
data = xgene_clk_read(pclk->param.csr_reg +
@ -531,7 +531,7 @@ static int xgene_clk_is_enabled(struct clk_hw *hw)
struct xgene_clk *pclk = to_xgene_clk(hw);
u32 data = 0;
if (pclk->param.csr_reg != NULL) {
if (pclk->param.csr_reg) {
pr_debug("%s clock checking\n", clk_hw_get_name(hw));
data = xgene_clk_read(pclk->param.csr_reg +
pclk->param.reg_clk_offset);
@ -540,7 +540,7 @@ static int xgene_clk_is_enabled(struct clk_hw *hw)
"disabled");
}
if (pclk->param.csr_reg == NULL)
if (!pclk->param.csr_reg)
return 1;
return data & pclk->param.reg_clk_mask ? 1 : 0;
}
@ -705,7 +705,7 @@ static void __init xgene_devclk_init(struct device_node *np)
break;
}
map_res = of_iomap(np, i);
if (map_res == NULL) {
if (!map_res) {
pr_err("Unable to map resource %d for %pOF\n", i, np);
goto err;
}