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Groups > linux.kernel > #1317702
| From | Jisheng Zhang <jszhang@marvell.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v4 05/13] mmc: sdhci-of-arasan: fix clk issue in sdhci_arasan_remove() |
| Date | 2016-01-26 11:30 +0100 |
| Message-ID | <qV92O-2Ih-13@gated-at.bofh.it> (permalink) |
| References | <qV92N-2Ih-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
sdhci_pltfm_unregister() could operate host's registers, it will cause
problems if the clk is already disabled and unprepared. Fix this issue
by moving the clk_disable_unprepare() call to the end of remove
function.
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
---
drivers/mmc/host/sdhci-of-arasan.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c
index 75379cb..50eb8bc 100644
--- a/drivers/mmc/host/sdhci-of-arasan.c
+++ b/drivers/mmc/host/sdhci-of-arasan.c
@@ -206,13 +206,16 @@ clk_dis_ahb:
static int sdhci_arasan_remove(struct platform_device *pdev)
{
+ int ret;
struct sdhci_host *host = platform_get_drvdata(pdev);
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
struct sdhci_arasan_data *sdhci_arasan = pltfm_host->priv;
+ ret = sdhci_pltfm_unregister(pdev);
+
clk_disable_unprepare(sdhci_arasan->clk_ahb);
- return sdhci_pltfm_unregister(pdev);
+ return ret;
}
static const struct of_device_id sdhci_arasan_of_match[] = {
--
2.7.0
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[PATCH v4 05/13] mmc: sdhci-of-arasan: fix clk issue in sdhci_arasan_remove() Jisheng Zhang <jszhang@marvell.com> - 2016-01-26 11:30 +0100 Re: [PATCH v4 05/13] mmc: sdhci-of-arasan: fix clk issue in sdhci_arasan_remove() Sören Brinkmann <soren.brinkmann@xilinx.com> - 2016-01-26 19:30 +0100
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