[U-Boot] [PATCH 2/2] sunxi: SPI: reset bus when enabling clock

--- drivers/spi/sun6i_spi.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/drivers/spi/sun6i_spi.c b/drivers/spi/sun6i_spi.c index 3192548e83..3c6a13e40e 100644 --- a/drivers/spi/sun6i_spi.c +++ b/drivers/spi/sun6i_spi.c @@ -215,6 +215,7 @@ static inline void sun6i_spi_enable_clock(void) struct sunxi_ccm_reg *const ccm = (struct sunxi_ccm_reg *const)SUNXI_CCM_BASE;

+ setbits_le32(&ccm->ahb_reset0_cfg, (1 << AHB_RESET_OFFSET_SPI0)); setbits_le32(&ccm->ahb_gate0, (1 << AHB_GATE_OFFSET_SPI0)); writel((1 << 31), &ccm->spi0_clk_cfg); }