diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mfd/Makefile | 2 | ||||
| -rw-r--r-- | drivers/mfd/rts5227.c | 6 | ||||
| -rw-r--r-- | drivers/mfd/rts5249.c | 4 | ||||
| -rw-r--r-- | drivers/mfd/rtsx_gops.c | 37 | ||||
| -rw-r--r-- | drivers/mfd/rtsx_pcr.h | 3 |
5 files changed, 51 insertions, 1 deletions
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 2cd7e743280c..53467e211381 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -13,7 +13,7 @@ obj-$(CONFIG_MFD_CROS_EC) += cros_ec.o obj-$(CONFIG_MFD_CROS_EC_I2C) += cros_ec_i2c.o obj-$(CONFIG_MFD_CROS_EC_SPI) += cros_ec_spi.o -rtsx_pci-objs := rtsx_pcr.o rts5209.o rts5229.o rtl8411.o rts5227.o rts5249.o +rtsx_pci-objs := rtsx_pcr.o rtsx_gops.o rts5209.o rts5229.o rtl8411.o rts5227.o rts5249.o obj-$(CONFIG_MFD_RTSX_PCI) += rtsx_pci.o obj-$(CONFIG_MFD_RTSX_USB) += rtsx_usb.o diff --git a/drivers/mfd/rts5227.c b/drivers/mfd/rts5227.c index 9c8eec80ceed..32407404d838 100644 --- a/drivers/mfd/rts5227.c +++ b/drivers/mfd/rts5227.c @@ -130,6 +130,12 @@ static int rts5227_extra_init_hw(struct rtsx_pcr *pcr) static int rts5227_optimize_phy(struct rtsx_pcr *pcr) { + int err; + + err = rtsx_gops_pm_reset(pcr); + if (err < 0) + return err; + /* Optimize RX sensitivity */ return rtsx_pci_write_phy_register(pcr, 0x00, 0xBA42); } diff --git a/drivers/mfd/rts5249.c b/drivers/mfd/rts5249.c index 573de7bfcced..cf425cc959d5 100644 --- a/drivers/mfd/rts5249.c +++ b/drivers/mfd/rts5249.c @@ -130,6 +130,10 @@ static int rts5249_optimize_phy(struct rtsx_pcr *pcr) { int err; + err = rtsx_gops_pm_reset(pcr); + if (err < 0) + return err; + err = rtsx_pci_write_phy_register(pcr, PHY_REG_REV, PHY_REG_REV_RESV | PHY_REG_REV_RXIDLE_LATCHED | PHY_REG_REV_P1_EN | PHY_REG_REV_RXIDLE_EN | diff --git a/drivers/mfd/rtsx_gops.c b/drivers/mfd/rtsx_gops.c new file mode 100644 index 000000000000..b1a98c678593 --- /dev/null +++ b/drivers/mfd/rtsx_gops.c @@ -0,0 +1,37 @@ +/* Driver for Realtek PCI-Express card reader + * + * Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: + * Micky Ching <micky_ching@realsil.com.cn> + */ + +#include <linux/mfd/rtsx_pci.h> +#include "rtsx_pcr.h" + +int rtsx_gops_pm_reset(struct rtsx_pcr *pcr) +{ + int err; + + /* init aspm */ + rtsx_pci_write_register(pcr, ASPM_FORCE_CTL, 0xFF, 0x00); + err = rtsx_pci_update_cfg_byte(pcr, LCTLR, ~LCTLR_ASPM_CTL_MASK, 0x00); + if (err < 0) + return err; + + /* reset PM_CTRL3 before send buffer cmd */ + return rtsx_pci_write_register(pcr, PM_CTRL3, D3_DELINK_MODE_EN, 0x00); +} diff --git a/drivers/mfd/rtsx_pcr.h b/drivers/mfd/rtsx_pcr.h index 07e4c2ebf05a..fe2bbb67defc 100644 --- a/drivers/mfd/rtsx_pcr.h +++ b/drivers/mfd/rtsx_pcr.h @@ -72,4 +72,7 @@ do { \ pcr->ms_pull_ctl_disable_tbl = __device##_ms_pull_ctl_disable_tbl; \ } while (0) +/* generic operations */ +int rtsx_gops_pm_reset(struct rtsx_pcr *pcr); + #endif |