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mfd: rtsx: Add shutdown callback in rtsx_pci_driver

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Some actions to clear power state should be handled in .shutdown
callback in rtsx_pci_driver. This patch adopts the following measures to
catch this goal:
1. Add a function rtsx_pci_power_off to abstract the common ops in
.shutdown and .suspend
2. Add pcr->ops->force_power_down to fulfill the individual action for
each reader model

Signed-off-by: Wei WANG <wei_wang@realsil.com.cn>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Wei WANG
2013-08-20 14:18:52 +08:00
committed by Samuel Ortiz
parent 773ccdfd9c
commit 5947c167d1
7 changed files with 85 additions and 12 deletions
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7
drivers/mfd/rtl8411.c
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@@ -86,6 +86,11 @@ static void rtl8411b_fetch_vendor_settings(struct rtsx_pcr *pcr)
map_sd_drive(rtl8411b_reg_to_sd30_drive_sel_3v3(reg));
}
static void rtl8411_force_power_down(struct rtsx_pcr *pcr)
{
rtsx_pci_write_register(pcr, FPDCTL, 0x07, 0x07);
}
static int rtl8411_extra_init_hw(struct rtsx_pcr *pcr)
{
rtsx_pci_init_cmd(pcr);
@@ -285,6 +290,7 @@ static const struct pcr_ops rtl8411_pcr_ops = {
.switch_output_voltage = rtl8411_switch_output_voltage,
.cd_deglitch = rtl8411_cd_deglitch,
.conv_clk_and_div_n = rtl8411_conv_clk_and_div_n,
.force_power_down = rtl8411_force_power_down,
};
static const struct pcr_ops rtl8411b_pcr_ops = {
@@ -300,6 +306,7 @@ static const struct pcr_ops rtl8411b_pcr_ops = {
.switch_output_voltage = rtl8411_switch_output_voltage,
.cd_deglitch = rtl8411_cd_deglitch,
.conv_clk_and_div_n = rtl8411_conv_clk_and_div_n,
.force_power_down = rtl8411_force_power_down,
};
/* SD Pull Control Enable: