45 lines
1.4 KiB
Diff
45 lines
1.4 KiB
Diff
|
From 9227615100c139c48fbbf39312b38c4430eac00d Mon Sep 17 00:00:00 2001
|
||
|
|
From: popcornmix <popcornmix@gmail.com>
|
||
|
|
Date: Sat, 16 Jun 2012 22:31:55 +0100
|
||
|
|
Subject: [PATCH 016/174] Allow emmc clock to be specified as command line
|
||
|
|
parameter
|
||
|
|
|
||
|
|
---
|
||
|
|
drivers/mmc/host/sdhci-bcm2708.c | 6 +++++-
|
||
|
|
1 file changed, 5 insertions(+), 1 deletion(-)
|
||
|
|
|
||
|
|
--- a/drivers/mmc/host/sdhci-bcm2708.c
|
||
|
|
+++ b/drivers/mmc/host/sdhci-bcm2708.c
|
||
|
|
@@ -130,6 +130,7 @@ static inline unsigned long int since_ns
|
||
|
|
}
|
||
|
|
|
||
|
|
static bool allow_highspeed = 1;
|
||
|
|
+static int emmc_clock_freq = BCM2708_EMMC_CLOCK_FREQ;
|
||
|
|
|
||
|
|
#if 0
|
||
|
|
static void hptime_test(void)
|
||
|
|
@@ -355,7 +356,7 @@ void sdhci_bcm2708_writeb(struct sdhci_h
|
||
|
|
|
||
|
|
static unsigned int sdhci_bcm2708_get_max_clock(struct sdhci_host *host)
|
||
|
|
{
|
||
|
|
- return BCM2708_EMMC_CLOCK_FREQ;
|
||
|
|
+ return emmc_clock_freq;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*****************************************************************************\
|
||
|
|
@@ -1361,6 +1362,7 @@ module_init(sdhci_drv_init);
|
||
|
|
module_exit(sdhci_drv_exit);
|
||
|
|
|
||
|
|
module_param(allow_highspeed, bool, 0444);
|
||
|
|
+module_param(emmc_clock_freq, int, 0444);
|
||
|
|
|
||
|
|
MODULE_DESCRIPTION("Secure Digital Host Controller Interface platform driver");
|
||
|
|
MODULE_AUTHOR("Broadcom <info@broadcom.com>");
|
||
|
|
@@ -1368,4 +1370,6 @@ MODULE_LICENSE("GPL v2");
|
||
|
|
MODULE_ALIAS("platform:"DRIVER_NAME);
|
||
|
|
|
||
|
|
MODULE_PARM_DESC(allow_highspeed, "Allow high speed transfers modes");
|
||
|
|
+MODULE_PARM_DESC(emmc_clock_freq, "Specify the speed of emmc clock");
|
||
|
|
+
|
||
|
|
|