diff options
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-dw.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/spi/spi-dw.h b/drivers/spi/spi-dw.h index 70fc9db9eb98..0cb1ce28b26a 100644 --- a/drivers/spi/spi-dw.h +++ b/drivers/spi/spi-dw.h @@ -238,15 +238,16 @@ static inline void spi_umask_intr(struct dw_spi *dws, u32 mask) } /* - * This disables the SPI controller, interrupts, clears the interrupts status, - * and re-enable the controller back. Transmit and receive FIFO buffers are - * cleared when the device is disabled. + * This disables the SPI controller, interrupts, clears the interrupts status + * and CS, then re-enables the controller back. Transmit and receive FIFO + * buffers are cleared when the device is disabled. */ static inline void spi_reset_chip(struct dw_spi *dws) { spi_enable_chip(dws, 0); spi_mask_intr(dws, 0xff); dw_readl(dws, DW_SPI_ICR); + dw_writel(dws, DW_SPI_SER, 0); spi_enable_chip(dws, 1); } |