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authorRichard Purdie <rpurdie@rpsys.net>2006-06-08 22:44:07 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-06-08 22:44:07 +0100
commit0c27c5d5b93339df4def7ced77ea5be26df4d84b (patch)
tree5b0c8efeb5b4b6cfd840c125a875c12fbecbf014
parentd782f33df706f1b8a4496b41fd7d339c6e23aa59 (diff)
[ARM] 3547/1: PXA-OHCI: Allow platforms to specify a power budget
Patch from Richard Purdie Add a power budget variable to the PXA OHCI platform data and add a default value for the spitz platform(s) which prevents known failures with certain USB devices. Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
-rw-r--r--arch/arm/mach-pxa/spitz.c1
-rw-r--r--drivers/usb/host/ohci-pxa27x.c3
-rw-r--r--include/asm-arm/arch-pxa/ohci.h2
3 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 19b372df544..44bcb8097c7 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -371,6 +371,7 @@ static int spitz_ohci_init(struct device *dev)
static struct pxaohci_platform_data spitz_ohci_platform_data = {
.port_mode = PMM_NPS_MODE,
.init = spitz_ohci_init,
+ .power_budget = 150,
};
diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c
index acde8868da2..fafe7c1265b 100644
--- a/drivers/usb/host/ohci-pxa27x.c
+++ b/drivers/usb/host/ohci-pxa27x.c
@@ -185,6 +185,9 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device
/* Select Power Management Mode */
pxa27x_ohci_select_pmm(inf->port_mode);
+ if (inf->power_budget)
+ hcd->power_budget = inf->power_budget;
+
ohci_hcd_init(hcd_to_ohci(hcd));
retval = usb_add_hcd(hcd, pdev->resource[1].start, SA_INTERRUPT);
diff --git a/include/asm-arm/arch-pxa/ohci.h b/include/asm-arm/arch-pxa/ohci.h
index 7da89569061..e848a47128c 100644
--- a/include/asm-arm/arch-pxa/ohci.h
+++ b/include/asm-arm/arch-pxa/ohci.h
@@ -11,6 +11,8 @@ struct pxaohci_platform_data {
#define PMM_NPS_MODE 1
#define PMM_GLOBAL_MODE 2
#define PMM_PERPORT_MODE 3
+
+ int power_budget;
};
extern void pxa_set_ohci_info(struct pxaohci_platform_data *info);