From: Yang Yingliang yangyingliang@huawei.com
stable inclusion from stable-v6.6.9 commit 5fcd03fa028ba2d77717de41197fd5baa5bc7c5c category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8SU2D
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 043465b66506e8c647cdd38a2db1f2ee0f369a1b ]
Add missing clk_disable_unprepare() and geni_se_resources_off() in the error path in geni_i2c_probe().
Fixes: 14d02fbadb5d ("i2c: qcom-geni: add desc struct to prepare support for I2C Master Hub variant") Signed-off-by: Yang Yingliang yangyingliang@huawei.com Reviewed-by: Andi Shyti andi.shyti@kernel.org Signed-off-by: Wolfram Sang wsa@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- drivers/i2c/busses/i2c-qcom-geni.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c index 229353e96e09..0a9d389df301 100644 --- a/drivers/i2c/busses/i2c-qcom-geni.c +++ b/drivers/i2c/busses/i2c-qcom-geni.c @@ -857,6 +857,7 @@ static int geni_i2c_probe(struct platform_device *pdev) ret = geni_se_resources_on(&gi2c->se); if (ret) { dev_err(dev, "Error turning on resources %d\n", ret); + clk_disable_unprepare(gi2c->core_clk); return ret; } proto = geni_se_read_proto(&gi2c->se); @@ -876,8 +877,11 @@ static int geni_i2c_probe(struct platform_device *pdev) /* FIFO is disabled, so we can only use GPI DMA */ gi2c->gpi_mode = true; ret = setup_gpi_dma(gi2c); - if (ret) + if (ret) { + geni_se_resources_off(&gi2c->se); + clk_disable_unprepare(gi2c->core_clk); return dev_err_probe(dev, ret, "Failed to setup GPI DMA mode\n"); + }
dev_dbg(dev, "Using GPI DMA mode for I2C\n"); } else { @@ -890,6 +894,8 @@ static int geni_i2c_probe(struct platform_device *pdev)
if (!tx_depth) { dev_err(dev, "Invalid TX FIFO depth\n"); + geni_se_resources_off(&gi2c->se); + clk_disable_unprepare(gi2c->core_clk); return -EINVAL; }