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clk: imx: Add API for clk unregister when driver probe fail 

For i.MX clock drivers probe fail case, clks should be unregistered
in the return path, this patch adds a common API for i.MX clock
drivers to unregister clocks when fail.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Anson Huang 2019-06-19 13:52:45 +08:00 committed by Shawn Guo
parent 34af5179d2
commit fd6ef2857b
2 changed files with 9 additions and 0 deletions
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8
drivers/clk/imx/clk.c
View File

@ -14,6 +14,14 @@
DEFINE_SPINLOCK(imx_ccm_lock); DEFINE_SPINLOCK(imx_ccm_lock);
void imx_unregister_clocks(struct clk *clks[], unsigned int count)
{
unsigned int i;
for (i = 0; i < count; i++)
clk_unregister(clks[i]);
}
void __init imx_mmdc_mask_handshake(void __iomem *ccm_base, void __init imx_mmdc_mask_handshake(void __iomem *ccm_base,
unsigned int chn) unsigned int chn)
{ {

1
drivers/clk/imx/clk.h
View File

@ -12,6 +12,7 @@ void imx_check_clk_hws(struct clk_hw *clks[], unsigned int count);
void imx_register_uart_clocks(struct clk ** const clks[]); void imx_register_uart_clocks(struct clk ** const clks[]);
void imx_register_uart_clocks_hws(struct clk_hw ** const hws[]); void imx_register_uart_clocks_hws(struct clk_hw ** const hws[]);
void imx_mmdc_mask_handshake(void __iomem *ccm_base, unsigned int chn); void imx_mmdc_mask_handshake(void __iomem *ccm_base, unsigned int chn);
void imx_unregister_clocks(struct clk *clks[], unsigned int count);
extern void imx_cscmr1_fixup(u32 *val); extern void imx_cscmr1_fixup(u32 *val);