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| author | Rui Feng <rui_feng@realsil.com.cn> | 2020-11-03 17:54:45 +0800 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2020-11-16 11:59:29 +0100 |
| commit | 0a3bbf92df7faf8b30c8e4560db5021bbf07766d (patch) | |
| tree | a32ea99fb814a3dc0c053545483f6010c078b91f /drivers/misc/cardreader | |
| parent | c28e3fb28f87cc0dba915f1303f4d018686363b8 (diff) | |
| download | linux-0a3bbf92df7faf8b30c8e4560db5021bbf07766d.tar.gz linux-0a3bbf92df7faf8b30c8e4560db5021bbf07766d.tar.bz2 linux-0a3bbf92df7faf8b30c8e4560db5021bbf07766d.zip | |
misc: rtsx: Fix aspm for RTS5261
This patch fix the bug that LDO is off when aspm is enabled.
Signed-off-by: Rui Feng <rui_feng@realsil.com.cn>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/1604397285-2850-1-git-send-email-rui_feng@realsil.com.cn
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/misc/cardreader')
| -rw-r--r-- | drivers/misc/cardreader/rts5261.c | 10 | ||||
| -rw-r--r-- | drivers/misc/cardreader/rts5261.h | 3 |
2 files changed, 11 insertions, 2 deletions
diff --git a/drivers/misc/cardreader/rts5261.c b/drivers/misc/cardreader/rts5261.c index 531bbaed7a12..3e30e542ef1a 100644 --- a/drivers/misc/cardreader/rts5261.c +++ b/drivers/misc/cardreader/rts5261.c @@ -530,22 +530,30 @@ static int rts5261_extra_init_hw(struct rtsx_pcr *pcr) static void rts5261_enable_aspm(struct rtsx_pcr *pcr, bool enable) { + u8 val = FORCE_ASPM_CTL0 | FORCE_ASPM_CTL1; + u8 mask = FORCE_ASPM_VAL_MASK | FORCE_ASPM_CTL0 | FORCE_ASPM_CTL1; + if (pcr->aspm_enabled == enable) return; + val |= (pcr->aspm_en & 0x02); + rtsx_pci_write_register(pcr, ASPM_FORCE_CTL, mask, val); pcie_capability_clear_and_set_word(pcr->pci, PCI_EXP_LNKCTL, PCI_EXP_LNKCTL_ASPMC, pcr->aspm_en); pcr->aspm_enabled = enable; - } static void rts5261_disable_aspm(struct rtsx_pcr *pcr, bool enable) { + u8 val = FORCE_ASPM_CTL0 | FORCE_ASPM_CTL1; + u8 mask = FORCE_ASPM_VAL_MASK | FORCE_ASPM_CTL0 | FORCE_ASPM_CTL1; + if (pcr->aspm_enabled == enable) return; pcie_capability_clear_and_set_word(pcr->pci, PCI_EXP_LNKCTL, PCI_EXP_LNKCTL_ASPMC, 0); + rtsx_pci_write_register(pcr, ASPM_FORCE_CTL, mask, val); rtsx_pci_write_register(pcr, SD_CFG1, SD_ASYNC_FIFO_NOT_RST, 0); udelay(10); pcr->aspm_enabled = enable; diff --git a/drivers/misc/cardreader/rts5261.h b/drivers/misc/cardreader/rts5261.h index 80179353bc46..cb98abb7c935 100644 --- a/drivers/misc/cardreader/rts5261.h +++ b/drivers/misc/cardreader/rts5261.h @@ -12,7 +12,8 @@ /*New add*/ #define rts5261_vendor_setting_valid(reg) ((reg) & 0x010000) -#define rts5261_reg_to_aspm(reg) (((reg) >> 28) ^ 0x03) +#define rts5261_reg_to_aspm(reg) \ + (((~(reg) >> 28) & 0x02) | (((reg) >> 28) & 0x01)) #define rts5261_reg_check_reverse_socket(reg) ((reg) & 0x04) #define rts5261_reg_to_card_drive_sel(reg) ((((reg) >> 6) & 0x01) << 6) #define rts5261_reg_to_sd30_drive_sel_1v8(reg) (((reg) >> 22) ^ 0x03) |