diff options
| author | Al Cooper <alcooperx@gmail.com> | 2020-01-13 16:07:04 -0500 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2020-01-20 12:01:15 +0100 |
| commit | e7b5d63a82fea9082eb9570df8cb88d5d0e075c3 (patch) | |
| tree | a8a47f4548cceb6ce7c8635db3e88851c4e4bf51 /drivers/mmc/host | |
| parent | 6f2aa55b85c070e60865504f88c08486771b2255 (diff) | |
mmc: sdhci-brcmstb: Add shutdown callback
Shutdown controller and disable it's clocks to insure max power
savings in S5 on systems that leave power on.
Signed-off-by: Al Cooper <alcooperx@gmail.com>
Link: https://lore.kernel.org/r/20200113210706.11972-5-alcooperx@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host')
| -rw-r--r-- | drivers/mmc/host/sdhci-brcmstb.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-brcmstb.c b/drivers/mmc/host/sdhci-brcmstb.c index 218176b79b6a..7ea426ba5cbc 100644 --- a/drivers/mmc/host/sdhci-brcmstb.c +++ b/drivers/mmc/host/sdhci-brcmstb.c @@ -161,6 +161,15 @@ err_clk: return res; } +static void sdhci_brcmstb_shutdown(struct platform_device *pdev) +{ + int ret; + + ret = sdhci_pltfm_unregister(pdev); + if (ret) + dev_err(&pdev->dev, "failed to shutdown\n"); +} + MODULE_DEVICE_TABLE(of, sdhci_brcm_of_match); static struct platform_driver sdhci_brcmstb_driver = { @@ -171,6 +180,7 @@ static struct platform_driver sdhci_brcmstb_driver = { }, .probe = sdhci_brcmstb_probe, .remove = sdhci_pltfm_unregister, + .shutdown = sdhci_brcmstb_shutdown, }; module_platform_driver(sdhci_brcmstb_driver); |