commit 84a0f51e2bfed1ea4dd43f4423a50aeeba61f94d
author Sujith Reddy Thumma <sthumma@codeaurora.org> Mon Aug 29 09:57:03 2011 +0530
committer Linux Build Service Account <lnxbuild@localhost> Wed Nov 09 15:11:14 2011 -0700
tree bdee488b111487264ce00d8382565e06c26ef5a6
parent ec2515fdcb3070e7ec80bf865b01e43c8015a43f

msm: board-7x30: Add support to use new SDIO LPM APIs

Allow usage of LPM APIs published by SDIO_AL layer by setting
->is_sdio_al_client = 1 for SDC2 slot in svlte targets.

Change-Id: I2d0e42d216dcadc35a33a2ee15ff2ee418802c45
Signed-off-by: Sujith Reddy Thumma <sthumma@codeaurora.org>

drivers/mmc/host/msm_sdcc.c

diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index 0bb8ac7..e639815 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -3527,9 +3527,10 @@
 	if (pdev->id < 1 || pdev->id > 5)
 		return -EINVAL;
 
-	if (plat->is_sdio_al_client)
-		if (!plat->sdio_lpm_gpio_setup || !plat->sdiowakeup_irq)
-			return -EINVAL;
+	if (plat->is_sdio_al_client && !plat->sdiowakeup_irq) {
+		pr_err("%s: No wakeup IRQ for sdio_al client\n", __func__);
+		return -EINVAL;
+	}
 
 	if (pdev->resource == NULL || pdev->num_resources < 2) {
 		pr_err("%s: Invalid resource\n", __func__);
@@ -4099,7 +4100,8 @@
 			host->clks_on = 0;
 		}
 
-		if (!host->sdio_gpio_lpm) {
+		if (host->plat->sdio_lpm_gpio_setup &&
+				!host->sdio_gpio_lpm) {
 			spin_unlock_irqrestore(&host->lock, flags);
 			host->plat->sdio_lpm_gpio_setup(mmc_dev(mmc), 0);
 			spin_lock_irqsave(&host->lock, flags);
@@ -4118,7 +4120,8 @@
 			msmsdcc_disable_irq_wake(host);
 		}
 
-		if (host->sdio_gpio_lpm) {
+		if (host->plat->sdio_lpm_gpio_setup &&
+				host->sdio_gpio_lpm) {
 			spin_unlock_irqrestore(&host->lock, flags);
 			host->plat->sdio_lpm_gpio_setup(mmc_dev(mmc), 1);
 			spin_lock_irqsave(&host->lock, flags);