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Subject[PATCH V5 3/5] clk: imx: Add API for clk unregister when driver probe fail
Date
From: Anson Huang <Anson.Huang@nxp.com>

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>
---
New patch.
---
drivers/clk/imx/clk.c | 8 ++++++++
drivers/clk/imx/clk.h | 1 +
2 files changed, 9 insertions(+)

diff --git a/drivers/clk/imx/clk.c b/drivers/clk/imx/clk.c
index f241189..8616967 100644
--- a/drivers/clk/imx/clk.c
+++ b/drivers/clk/imx/clk.c
@@ -13,6 +13,14 @@

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,
unsigned int chn)
{
diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h
index 19d7b8b..bb4ec1b 100644
--- a/drivers/clk/imx/clk.h
+++ b/drivers/clk/imx/clk.h
@@ -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_hws(struct clk_hw ** const hws[]);
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);

--
2.7.4
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