Hi Lee

Thank you for your work.

Switch output voltage may have some problem here.
1. modify params of function in pcr_ops may affect other chips, like
rts52xx, and we may add other registers or value in the future, just
add params may not enough to handle this case. So I think different
chip should use a different function here, and modify the function
will not affect others.

2. rtl8402 has another difference with 8411 here, it doesn't use
 BPP_ASIC_1V8, but use BPP_ASIC_2V0.

so, I will send another patch to fix this problem.

-static int rtl8411_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
+static int rtl84xx_switch_output_voltage(struct rtsx_pcr *pcr,
+                                        u8 voltage, int shift)
  {
        u8 mask, val;
        int err;
- mask = (BPP_REG_TUNED18 << BPP_TUNED18_SHIFT_8411) | BPP_PAD_MASK;
+       mask = (BPP_REG_TUNED18 << shift) | BPP_PAD_MASK;
        if (voltage == OUTPUT_3V3) {
                err = rtsx_pci_write_register(pcr,
                                SD30_DRIVE_SEL, 0x07, pcr->sd30_drive_sel_3v3);
                if (err < 0)
                        return err;
-               val = (BPP_ASIC_3V3 << BPP_TUNED18_SHIFT_8411) | BPP_PAD_3V3;
+               val = (BPP_ASIC_3V3 << shift) | BPP_PAD_3V3;
        } else if (voltage == OUTPUT_1V8) {
                err = rtsx_pci_write_register(pcr,
                                SD30_DRIVE_SEL, 0x07, pcr->sd30_drive_sel_1v8);
                if (err < 0)
                        return err;
-               val = (BPP_ASIC_1V8 << BPP_TUNED18_SHIFT_8411) | BPP_PAD_1V8;
+               val = (BPP_ASIC_1V8 << shift) | BPP_PAD_1V8;
        } else {
                return -EINVAL;
        }


--
Best Regards
Micky.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to