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| author | Ivan T. Ivanov <iivanov@mm-sol.com> | 2013-12-30 22:15:27 +0100 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2014-01-09 09:06:48 +0100 |
| commit | 5146d7714302f0b5dff7c591c6de947067669ca3 (patch) | |
| tree | 2ef0b29f1bae62ecb13a4064117f2492fb24435d /arch/arm/mach-msm/board-qsd8x50.c | |
| parent | ARM: msm_defconfig: Enable restart driver (diff) | |
| download | linux-5146d7714302f0b5dff7c591c6de947067669ca3.tar.xz linux-5146d7714302f0b5dff7c591c6de947067669ca3.zip | |
usb: phy: msm: Move mach dependent code to platform data
This patch fix compilation error when driver is compiled
in multi-platform builds.
drivers/built-in.o: In function `msm_otg_link_clk_reset':
./drivers/usb/phy/phy-msm-usb.c:314: undefined reference to `clk_reset'
./drivers/usb/phy/phy-msm-usb.c:318: undefined reference to `clk_reset'
Use platform data supplied reset handlers and adjust error
messages reported when reset sequence fail.
This is an intermediate step before adding support for reset
framework and newer targets.
Signed-off-by: Ivan T. Ivanov <iivanov@mm-sol.com>
Acked-by: David Brown <davidb@codeaurora.org>
Cc: Daniel Walker <dwalker@fifo99.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm/mach-msm/board-qsd8x50.c')
| -rw-r--r-- | arch/arm/mach-msm/board-qsd8x50.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/mach-msm/board-qsd8x50.c b/arch/arm/mach-msm/board-qsd8x50.c index 5f933bc50783..9169ec324a43 100644 --- a/arch/arm/mach-msm/board-qsd8x50.c +++ b/arch/arm/mach-msm/board-qsd8x50.c @@ -31,6 +31,7 @@ #include <mach/irqs.h> #include <mach/sirc.h> #include <mach/vreg.h> +#include <mach/clk.h> #include <linux/platform_data/mmc-msm_sdcc.h> #include "devices.h" @@ -81,10 +82,44 @@ static int hsusb_phy_init_seq[] = { -1 }; +static int hsusb_link_clk_reset(struct clk *link_clk, bool assert) +{ + int ret; + + if (assert) { + ret = clk_reset(link_clk, CLK_RESET_ASSERT); + if (ret) + pr_err("usb hs_clk assert failed\n"); + } else { + ret = clk_reset(link_clk, CLK_RESET_DEASSERT); + if (ret) + pr_err("usb hs_clk deassert failed\n"); + } + return ret; +} + +static int hsusb_phy_clk_reset(struct clk *phy_clk) +{ + int ret; + + ret = clk_reset(phy_clk, CLK_RESET_ASSERT); + if (ret) { + pr_err("usb phy clk assert failed\n"); + return ret; + } + usleep_range(10000, 12000); + ret = clk_reset(phy_clk, CLK_RESET_DEASSERT); + if (ret) + pr_err("usb phy clk deassert failed\n"); + return ret; +} + static struct msm_otg_platform_data msm_otg_pdata = { .phy_init_seq = hsusb_phy_init_seq, .mode = USB_PERIPHERAL, .otg_control = OTG_PHY_CONTROL, + .link_clk_reset = hsusb_link_clk_reset, + .phy_clk_reset = hsusb_phy_clk_reset, }; static struct platform_device *devices[] __initdata = { |