From: kfx <kfx@rock-chips.com>
Date: Thu, 31 Mar 2011 02:00:16 +0000 (+0800)
Subject: update sdmmc drivers: enable sdio interrupt
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f3bd2cc516fc50ff50353c2fa69f0e7926a982d3;p=firefly-linux-kernel-4.4.55.git

update sdmmc drivers: enable sdio interrupt
---

diff --git a/drivers/mmc/host/rk29_sdmmc.c b/drivers/mmc/host/rk29_sdmmc.c
index 575e869c7511..7947a60cc34f 100755
--- a/drivers/mmc/host/rk29_sdmmc.c
+++ b/drivers/mmc/host/rk29_sdmmc.c
@@ -601,7 +601,10 @@ static void rk29_sdmmc_start_request(struct rk29_sdmmc *host)
 	/* Slot specific timing and width adjustment */
 	rk29_sdmmc_setup_bus(host);
 	rk29_sdmmc_write(host->regs, SDMMC_RINTSTS, 0xFFFFFFFF);
-	rk29_sdmmc_write(host->regs, SDMMC_INTMASK,SDMMC_INT_CMD_DONE | SDMMC_INT_DTO | RK29_SDMMC_ERROR_FLAGS | SDMMC_INT_CD);
+	if(rk29_sdmmc_read(host->regs, SDMMC_INTMASK) & SDMMC_INT_SDIO)
+		rk29_sdmmc_write(host->regs, SDMMC_INTMASK,SDMMC_INT_SDIO |SDMMC_INT_CMD_DONE | SDMMC_INT_DTO | RK29_SDMMC_ERROR_FLAGS | SDMMC_INT_CD);
+	else
+		rk29_sdmmc_write(host->regs, SDMMC_INTMASK,SDMMC_INT_CMD_DONE | SDMMC_INT_DTO | RK29_SDMMC_ERROR_FLAGS | SDMMC_INT_CD);
 	host->curr_mrq = mrq;
 	host->pending_events = 0;
 	host->completed_events = 0;
@@ -770,7 +773,10 @@ static void rk29_sdmmc_request_end(struct rk29_sdmmc *host, struct mmc_request *
 	}
 
 	spin_unlock(&host->lock);
-	rk29_sdmmc_write(host->regs, SDMMC_INTMASK,SDMMC_INT_CD);
+	if(rk29_sdmmc_read(host->regs, SDMMC_INTMASK) & SDMMC_INT_SDIO)
+		rk29_sdmmc_write(host->regs, SDMMC_INTMASK,SDMMC_INT_CD|SDMMC_INT_SDIO);
+	else
+		rk29_sdmmc_write(host->regs, SDMMC_INTMASK,SDMMC_INT_CD);
 	if(mrq && mrq->data && mrq->data->error) {
 		//mrq->data->bytes_xfered = 0;
 		rk29_sdmmc_write(host->regs, SDMMC_CMD, host->stop_cmdr | SDMMC_CMD_START);