[U-Boot] [PATCH 2/2] sunxi: SPI: reset bus when enabling clock
Fahad Sadah
fahad at sadah.uk
Sat Aug 4 12:23:55 UTC 2018
---
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);
}
--
2.14.1
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