| Message ID | 20181221143228.934-1-m.szyprowski@samsung.com |
|---|---|
| State | New |
| Headers | show |
| Series | [v2,1/4] mfd: exynos-lpass: Enable UART module support | expand |
On Fri, 21 Dec 2018, Marek Szyprowski wrote: > From: Beomho Seo <beomho.seo@samsung.com> > > This patch enables proper interrupts routing between UART module > in Exynos Audio SubSystem and the rest of the SoC. This routing is > completely transparent for UART device and CPU/GIC. UART driver requests > interrupts from the respective controller and enables/masks/handles it > by itself via standard methods. > > There are boards (for example TM2), which use UART module in Exynos Audio > SubStem for communication with BlueTooth chip. > > Signed-off-by: Beomho Seo <beomho.seo@samsung.com> > [mszyprow: rephrased commit message, added UART reset] > Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> > Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com> > --- > Changelog > v2: > - rephrased and extended commit message > --- > drivers/mfd/exynos-lpass.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) Applied, thanks. -- Lee Jones [李琼斯] Linaro Services Technical Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog
diff --git a/drivers/mfd/exynos-lpass.c b/drivers/mfd/exynos-lpass.c index ca829f85672f..2713de989f05 100644 --- a/drivers/mfd/exynos-lpass.c +++ b/drivers/mfd/exynos-lpass.c @@ -82,11 +82,13 @@ static void exynos_lpass_enable(struct exynos_lpass *lpass) LPASS_INTR_SFR | LPASS_INTR_DMA | LPASS_INTR_I2S); regmap_write(lpass->top, SFR_LPASS_INTR_CPU_MASK, - LPASS_INTR_SFR | LPASS_INTR_DMA | LPASS_INTR_I2S); + LPASS_INTR_SFR | LPASS_INTR_DMA | LPASS_INTR_I2S | + LPASS_INTR_UART); exynos_lpass_core_sw_reset(lpass, LPASS_I2S_SW_RESET); exynos_lpass_core_sw_reset(lpass, LPASS_DMA_SW_RESET); exynos_lpass_core_sw_reset(lpass, LPASS_MEM_SW_RESET); + exynos_lpass_core_sw_reset(lpass, LPASS_UART_SW_RESET); } static void exynos_lpass_disable(struct exynos_lpass *lpass)