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ti: am33xx: fix do_enable_clocks() to accept NULL parameters 

Up till this commit passing NULL as input parameter was allowed, but not
handled properly. When a NULL parameter was passed to the function a data
abort was raised.

Signed-off-by: Dario Binacchi <dariobin@libero.it>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Dario Binacchi 2020-12-30 00:06:38 +01:00 committed by Lokesh Vutla
parent c28baf6c70
commit bc34f0ba83
1 changed files with 6 additions and 4 deletions
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10
arch/arm/mach-omap2/am33xx/clock.c
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@ -194,13 +194,14 @@ void do_enable_clocks(u32 *const *clk_domains,
u32 i, max = 100;
/* Put the clock domains in SW_WKUP mode */
for (i = 0; (i < max) && clk_domains[i]; i++) {
for (i = 0; (i < max) && clk_domains && clk_domains[i]; i++) {
enable_clock_domain(clk_domains[i],
CD_CLKCTRL_CLKTRCTRL_SW_WKUP);
}
/* Clock modules that need to be put in SW_EXPLICIT_EN mode */
for (i = 0; (i < max) && clk_modules_explicit_en[i]; i++) {
for (i = 0; (i < max) && clk_modules_explicit_en &&
clk_modules_explicit_en[i]; i++) {
enable_clock_module(clk_modules_explicit_en[i],
MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN,
wait_for_enable);
@ -215,12 +216,13 @@ void do_disable_clocks(u32 *const *clk_domains,
/* Clock modules that need to be put in SW_DISABLE */
for (i = 0; (i < max) && clk_modules_disable[i]; i++)
for (i = 0; (i < max) && clk_modules_disable && clk_modules_disable[i];
i++)
disable_clock_module(clk_modules_disable[i],
wait_for_disable);
/* Put the clock domains in SW_SLEEP mode */
for (i = 0; (i < max) && clk_domains[i]; i++)
for (i = 0; (i < max) && clk_domains && clk_domains[i]; i++)
disable_clock_domain(clk_domains[i]);
}