Dear Rajeshwari Shinde,
Adding fdt support to ehci-exynos in order to parse register base addresses from the device node.
Signed-off-by: Vivek Gautam gautam.vivek@samsung.com Signed-off-by: Rajeshwari Shinde rajeshwari.s@samsung.com
Chnages in V2:
- Removed checkpatch errors.
drivers/usb/host/ehci-exynos.c | 59 ++++++++++++++++++++++++++++++++++++--- 1 files changed, 54 insertions(+), 5 deletions(-)
diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c index 9f0ed06..f9189a5 100644 --- a/drivers/usb/host/ehci-exynos.c +++ b/drivers/usb/host/ehci-exynos.c @@ -21,6 +21,8 @@ */
#include <common.h> +#include <fdtdec.h> +#include <libfdt.h> #include <usb.h> #include <asm/arch/cpu.h> #include <asm/arch/ehci.h> @@ -28,6 +30,9 @@ #include <asm/arch/power.h> #include "ehci.h"
+/* Declare global data pointer */ +DECLARE_GLOBAL_DATA_PTR;
/* Setup the EHCI host controller. */ static void setup_usb_phy(struct exynos_usb_phy *usb) { @@ -86,12 +91,39 @@ static void reset_usb_phy(struct exynos_usb_phy *usb) */ int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor) {
- struct exynos_usb_phy *usb;
- struct exynos_usb_phy *usb = NULL;
- unsigned int *hcd = NULL;
- unsigned int node;
- node = fdtdec_next_compatible(gd->fdt_blob, 0,
COMPAT_SAMSUNG_EXYNOS_EHCI);- if (node <= 0) {
debug("EHCI: Can't get device tree node for ehci\n");
[...]
error output should be really puts() or printf() ...
You can also use errno.h instead of -1.
Rest is good