On Wed, Jun 24, 2015 at 9:19 AM, Raphaël Teysseyre <[email protected]> wrote:
> xgpio_save_regs() is used in this driver to setup the initial > values of the registers in the hardware. > > The relevant registers at that time are: > 0x0 -> channel 0 data (32 bits, one for each GPIO on this channel). > 0x4 -> channel 0 tri, controls in/out status for each GPIO of this channel. > 0x8 -> channel 1 data > 0xC -> channel 1 tri > > gpio-xilinx.c defines these: > XGPIO_DATA_OFFSET (0x0) > XGPIO_TRI_OFFSET (0x4) > XGPIO_CHANNEL_OFFSET 0x8 > > Before this patch, the "data" register value of channel 1 was written > at 0x4 intead of 0x8 (overwriting the channel 0 "tri" register), > and the "tri" register value for channel 1 was written at 0x8 instead of 0xC. > > Signed-off-by: Raphaël Teysseyre <[email protected]> Patch applied with review tags. Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
