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Commit 24f1bc28 authored by RickyWu's avatar RickyWu Committed by Greg Kroah-Hartman
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misc: rtsx: Fixed rts5260 power saving parameter and sd glitch 



this patch fixes rts5260 power saving parameter
make power saving function work on L1.1, L1.2

Signed-off-by: default avatarRickyWu <ricky_wu@realtek.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 60d48857

drivers/misc/cardreader/rts5260.c

+4 −3
Original line number Diff line number Diff line
@@ -451,6 +451,7 @@ static void rts5260_pwr_saving_setting(struct rtsx_pcr *pcr) 
	lss_l1_2 = rtsx_check_dev_flag(pcr, ASPM_L1_2_EN)

			| rtsx_check_dev_flag(pcr, PM_L1_2_EN);



	rtsx_pci_write_register(pcr, ASPM_FORCE_CTL, 0xFF, 0);

	if (lss_l1_2) {

		pcr_dbg(pcr, "Set parameters for L1.2.");

		rtsx_pci_write_register(pcr, PWR_GLOBAL_CTRL,
@@ -573,10 +574,10 @@ static int rts5260_extra_init_hw(struct rtsx_pcr *pcr) 
	 * to drive low, and we forcibly request clock.

	 */

	if (option->force_clkreq_0)

		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG,

		rtsx_pci_write_register(pcr, PETXCFG,

				 FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW);

	else

		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG,

		rtsx_pci_write_register(pcr, PETXCFG,

				 FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH);



	return 0;
@@ -704,7 +705,7 @@ void rts5260_init_params(struct rtsx_pcr *pcr) 
	option->ocp_en = 1;

	if (option->ocp_en)

		hw_param->interrupt_en |= SD_OC_INT_EN;

	hw_param->ocp_glitch =  SDVIO_OCP_GLITCH_800U | SDVIO_OCP_GLITCH_800U;

	hw_param->ocp_glitch =  SD_OCP_GLITCH_100U | SDVIO_OCP_GLITCH_800U;

	option->sd_400mA_ocp_thd = RTS5260_DVCC_OCP_THD_550;

	option->sd_800mA_ocp_thd = RTS5260_DVCC_OCP_THD_970;

}