Hi,
On Monday, June 16, 2014 02:54:37 PM Kumar Gala wrote:
>
> Add a PHY driver for uses with AHCI based SATA controller driver on the
> IPQ806x family of SoCs.
>
> Signed-off-by: Kumar Gala <galak@xxxxxxxxxxxxxx>
> ---
> v3:
> * Added Kconfig HAS_IOMEM dep
> * re-ordered probe function so phy_provider_register is last
>
> v2:
> * dropped unused dev pointer in struct qcom_ipq806x_sata_phy
> * remove unnecessary reg initializaiton
> * Removed unneeded error message
> * Added remove function to disable the clock
>
> drivers/phy/Kconfig | 7 ++
> drivers/phy/Makefile | 1 +
> drivers/phy/phy-qcom-ipq806x-sata.c | 211 ++++++++++++++++++++++++++++++++++++
> 3 files changed, 219 insertions(+)
> create mode 100644 drivers/phy/phy-qcom-ipq806x-sata.c
>
> diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
> index 16a2f06..b7b6bce 100644
> --- a/drivers/phy/Kconfig
> +++ b/drivers/phy/Kconfig
> @@ -178,4 +178,11 @@ config PHY_XGENE
> help
> This option enables support for APM X-Gene SoC multi-purpose PHY.
>
> +config PHY_QCOM_IPQ806X_SATA
> + tristate "Qualcomm IPQ806x SATA SerDes/PHY driver"
> + depends on ARCH_QCOM
> + depends on HAS_IOMEM
> + depends on OF
> + select GENERIC_PHY
> +
> endmenu
> diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile
> index b4f1d57..d950317 100644
> --- a/drivers/phy/Makefile
> +++ b/drivers/phy/Makefile
> @@ -20,3 +20,4 @@ phy-exynos-usb2-$(CONFIG_PHY_EXYNOS4X12_USB2) += phy-exynos4x12-usb2.o
> phy-exynos-usb2-$(CONFIG_PHY_EXYNOS5250_USB2) += phy-exynos5250-usb2.o
> obj-$(CONFIG_PHY_EXYNOS5_USBDRD) += phy-exynos5-usbdrd.o
> obj-$(CONFIG_PHY_XGENE) += phy-xgene.o
> +obj-$(CONFIG_PHY_QCOM_IPQ806X_SATA) += phy-qcom-ipq806x-sata.o
> diff --git a/drivers/phy/phy-qcom-ipq806x-sata.c b/drivers/phy/phy-qcom-ipq806x-sata.c
> new file mode 100644
> index 0000000..e931aee
> --- /dev/null
> +++ b/drivers/phy/phy-qcom-ipq806x-sata.c
[...]
> +static inline void qcom_ipq806x_sata_delay_us(unsigned int delay)
> +{
> + /* sleep for max. 50us more to combine processor wakeups */
> + usleep_range(delay, delay + 50);
> +}
This is used only once in the driver so there is no need to make it
into static inline helper.
Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics
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