| Message ID | 20181214113410.22848-2-m.szyprowski@samsung.com |
|---|---|
| State | New |
| Headers | show |
| Series | [1/4] mfd: exynos-lpass: Enable UART module support | expand |
On Fri, 14 Dec 2018, Marek Szyprowski wrote: > From: Beomho Seo <beomho.seo@samsung.com> > > This patch enables support for UART module in Exynos Audio SubSystem. > There are boards (for example TM2), which use it for communication with > bluetooth chip. Does it though? Or does it enable the interrupt and reset something? These calls would probably benefit from some documentation by way of comments. > 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> > --- > drivers/mfd/exynos-lpass.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > 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) -- 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)