Currently the whole driver depends on MFD_SYSCON, which in turn depends on OF. To allow to use the driver on non-dt platforms (S5PV210) the SYSREG support is made conditional (it is needed only for dt enabled platforms) and MFD_SYSCON is selected if OF is enabled, instead of depending on OF. Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx> --- drivers/media/platform/exynos4-is/Kconfig | 7 ++++++- drivers/media/platform/exynos4-is/fimc-core.c | 3 +-- drivers/media/platform/exynos4-is/fimc-core.h | 10 ++++++++++ drivers/media/platform/exynos4-is/fimc-reg.c | 3 +++ 4 files changed, 20 insertions(+), 3 deletions(-) diff --git a/drivers/media/platform/exynos4-is/Kconfig b/drivers/media/platform/exynos4-is/Kconfig index 6954f05..c56f714 100644 --- a/drivers/media/platform/exynos4-is/Kconfig +++ b/drivers/media/platform/exynos4-is/Kconfig @@ -3,13 +3,18 @@ config VIDEO_SAMSUNG_EXYNOS4_IS bool "Samsung S5P/EXYNOS4 SoC series Camera Subsystem driver" depends on VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API && PLAT_S5P && PM_RUNTIME depends on EXPERIMENTAL - depends on MFD_SYSCON help Say Y here to enable camera host interface devices for Samsung S5P and EXYNOS SoC series. if VIDEO_SAMSUNG_EXYNOS4_IS +config FIMC_SYSREG + bool + depends on OF + select MFD_SYSCON + default y + config VIDEO_S5P_FIMC tristate "S5P/EXYNOS4 FIMC/CAMIF camera interface driver" depends on I2C diff --git a/drivers/media/platform/exynos4-is/fimc-core.c b/drivers/media/platform/exynos4-is/fimc-core.c index f6efa47..c7a8bc1 100644 --- a/drivers/media/platform/exynos4-is/fimc-core.c +++ b/drivers/media/platform/exynos4-is/fimc-core.c @@ -964,8 +964,7 @@ static int fimc_probe(struct platform_device *pdev) spin_lock_init(&fimc->slock); mutex_init(&fimc->lock); - fimc->sysreg = syscon_regmap_lookup_by_phandle(dev->of_node, - "samsung,sysreg"); + fimc->sysreg = fimc_get_sysreg_regmap(dev->of_node); if (IS_ERR(fimc->sysreg)) return PTR_ERR(fimc->sysreg); diff --git a/drivers/media/platform/exynos4-is/fimc-core.h b/drivers/media/platform/exynos4-is/fimc-core.h index de2b57e..dfd7476 100644 --- a/drivers/media/platform/exynos4-is/fimc-core.h +++ b/drivers/media/platform/exynos4-is/fimc-core.h @@ -15,6 +15,7 @@ #include <linux/regmap.h> #include <linux/sched.h> #include <linux/spinlock.h> +#include <linux/mfd/syscon.h> #include <linux/types.h> #include <linux/videodev2.h> #include <linux/io.h> @@ -646,6 +647,15 @@ void fimc_unregister_m2m_device(struct fimc_dev *fimc); int fimc_register_driver(void); void fimc_unregister_driver(void); +#ifdef CONFIG_FIMC_SYSREG +static inline struct regmap * fimc_get_sysreg_regmap(struct device_node *node) +{ + return syscon_regmap_lookup_by_phandle(node, "samsung,sysreg"); +} +#else +#define fimc_get_sysreg_regmap(node) (NULL) +#endif + /* -----------------------------------------------------*/ /* fimc-m2m.c */ void fimc_m2m_job_finish(struct fimc_ctx *ctx, int vb_state); diff --git a/drivers/media/platform/exynos4-is/fimc-reg.c b/drivers/media/platform/exynos4-is/fimc-reg.c index fd144a1..f079f36 100644 --- a/drivers/media/platform/exynos4-is/fimc-reg.c +++ b/drivers/media/platform/exynos4-is/fimc-reg.c @@ -806,6 +806,9 @@ int fimc_hw_camblk_cfg_writeback(struct fimc_dev *fimc) unsigned int mask, val, camblk_cfg; int ret; + if (map == NULL) + return 0; + ret = regmap_read(map, SYSREG_CAMBLK, &camblk_cfg); if (ret < 0 || ((camblk_cfg & 0x00700000) >> 20 != 0x3)) return ret; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html