From: Al Cooper <alcooperx@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: Al Cooper <alcooperx@gmail.com>,
Adrian Hunter <adrian.hunter@intel.com>,
Andrew Jeffery <andrew@aj.id.au>,
bcm-kernel-feedback-list@broadcom.com,
devicetree@vger.kernel.org, "Enrico Weigelt,
metux IT consult" <info@metux.net>,
Faiz Abbas <faiz_abbas@ti.com>,
Florian Fainelli <f.fainelli@gmail.com>,
linux-arm-kernel@lists.infradead.org, linux-mmc@vger.kernel.org,
Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
Mark Rutland <mark.rutland@arm.com>,
Rob Herring <robh+dt@kernel.org>,
Sowjanya Komatineni <skomatineni@nvidia.com>,
Takao Orito <orito.takao@socionext.com>,
Ulf Hansson <ulf.hansson@linaro.org>,
YueHaibing <yuehaibing@huawei.com>
Subject: [PATCH 4/6] mmc: sdhci-brcmstb: Add shutdown callback
Date: Mon, 13 Jan 2020 16:07:04 -0500 [thread overview]
Message-ID: <20200113210706.11972-5-alcooperx@gmail.com> (raw)
In-Reply-To: <20200113210706.11972-1-alcooperx@gmail.com>
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>
---
drivers/mmc/host/sdhci-brcmstb.c | 10 ++++++++++
1 file changed, 10 insertions(+)
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 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev)
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);
--
2.17.1
next prev parent reply other threads:[~2020-01-13 21:08 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-13 21:07 [PATCH 0/6] mmc: sdhci-brcmstb: Driver updates Al Cooper
2020-01-13 21:07 ` [PATCH 1/6] dt-bindings: mmc: brcm,sdhci-brcmstb: Add support for 7216b0 Al Cooper
2020-01-13 21:07 ` [PATCH 2/6] mmc: sdhci-brcmstb: Add ability to use HS400ES transfer mode Al Cooper
2020-01-13 21:07 ` [PATCH 3/6] mmc: sdhci-brcmstb: Fix driver to defer on clk_get defer Al Cooper
2020-01-13 21:07 ` Al Cooper [this message]
2020-01-13 21:07 ` [PATCH 5/6] mmc: sdhci-brcmstb: Add support for Command Queuing (CQE) Al Cooper
2020-01-13 21:07 ` [PATCH 6/6] mmc: sdhci-brcmstb: Fix incorrect switch to HS mode Al Cooper
2020-01-20 8:26 ` [PATCH 0/6] mmc: sdhci-brcmstb: Driver updates Adrian Hunter
2020-01-20 11:25 ` Ulf Hansson
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