On Tue, 23 Dec 2014, micky_ch...@realsil.com.cn wrote: > From: Micky Ching <micky_ch...@realsil.com.cn> > > Add helper function to write u32 to registers, if we want to put u32 > value to 4 continuous register, this can help us reduce tedious work. > > Signed-off-by: Micky Ching <micky_ch...@realsil.com.cn> > Acked-by: Lee Jones <lee.jo...@linaro.org> > --- > include/linux/mfd/rtsx_pci.h | 9 +++++++++ > 1 file changed, 9 insertions(+)
Applied, thanks. > diff --git a/include/linux/mfd/rtsx_pci.h b/include/linux/mfd/rtsx_pci.h > index 74346d5..9234449 100644 > --- a/include/linux/mfd/rtsx_pci.h > +++ b/include/linux/mfd/rtsx_pci.h > @@ -558,6 +558,7 @@ > #define SD_SAMPLE_POINT_CTL 0xFDA7 > #define SD_PUSH_POINT_CTL 0xFDA8 > #define SD_CMD0 0xFDA9 > +#define SD_CMD_START 0x40 > #define SD_CMD1 0xFDAA > #define SD_CMD2 0xFDAB > #define SD_CMD3 0xFDAC > @@ -967,4 +968,12 @@ static inline u8 *rtsx_pci_get_cmd_data(struct rtsx_pcr > *pcr) > return (u8 *)(pcr->host_cmds_ptr); > } > > +static inline void rtsx_pci_write_be32(struct rtsx_pcr *pcr, u16 reg, u32 > val) > +{ > + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, reg, 0xFF, val >> 24); > + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, reg + 1, 0xFF, val >> 16); > + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, reg + 2, 0xFF, val >> 8); > + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, reg + 3, 0xFF, val); > +} > + > #endif -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog _______________________________________________ devel mailing list de...@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel