diff options
| author | Gu Bowen <gubowen5@huawei.com> | 2025-02-25 10:28:56 +0800 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2025-03-12 11:25:38 +0100 |
| commit | e51a349d2dcf1df8422dabb90b2f691dc7df6f92 (patch) | |
| tree | 14d106d50dd8c08583e221c354ed767d79ffab87 /drivers/mmc | |
| parent | 80e54e84911a923c40d7bee33a34c1b4be148d7a (diff) | |
mmc: atmel-mci: Add missing clk_disable_unprepare()
The error path when atmci_configure_dma() set dma fails in atmci driver
does not correctly disable the clock.
Add the missing clk_disable_unprepare() to the error path for pair with
clk_prepare_enable().
Fixes: 467e081d23e6 ("mmc: atmel-mci: use probe deferring if dma controller is not ready yet")
Signed-off-by: Gu Bowen <gubowen5@huawei.com>
Acked-by: Aubin Constans <aubin.constans@microchip.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20250225022856.3452240-1-gubowen5@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/atmel-mci.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c index fc360902729d..24fffc702a94 100644 --- a/drivers/mmc/host/atmel-mci.c +++ b/drivers/mmc/host/atmel-mci.c @@ -2499,8 +2499,10 @@ static int atmci_probe(struct platform_device *pdev) /* Get MCI capabilities and set operations according to it */ atmci_get_cap(host); ret = atmci_configure_dma(host); - if (ret == -EPROBE_DEFER) + if (ret == -EPROBE_DEFER) { + clk_disable_unprepare(host->mck); goto err_dma_probe_defer; + } if (ret == 0) { host->prepare_data = &atmci_prepare_data_dma; host->submit_data = &atmci_submit_data_dma; |