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authorBin Meng <bmeng.cn@gmail.com>2017-07-19 21:50:05 +0800
committerMarek Vasut <marex@denx.de>2017-07-28 23:34:23 +0200
commit99c225568890df8fd224a4944d98599a5b2b721d (patch)
treef362a579736cc96a4cb0b51fc60fd7c34b765dcb /drivers/usb/host/ehci.h
parent29313428744112ad8f601c86e29440a386aa6543 (diff)
downloadu-boot-99c225568890df8fd224a4944d98599a5b2b721d.tar.gz
usb: ehci: Get rid of CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS
EHC reports supported maximum number of ports in the HCSPARAMS register, so it's unnecessary to use a hardcoded config option CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Stefan Roese <sr@denx.de> Tested-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'drivers/usb/host/ehci.h')
-rw-r--r--drivers/usb/host/ehci.h7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 2ab830df51..7c39becd24 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -11,9 +11,8 @@
#include <usb.h>
-#if !defined(CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS)
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 2
-#endif
+/* Section 2.2.3 - N_PORTS */
+#define MAX_HC_PORTS 15
/*
* Register Space.
@@ -62,7 +61,7 @@ struct ehci_hcor {
uint32_t _reserved_1_[6];
uint32_t or_configflag;
#define FLAG_CF (1 << 0) /* true: we'll support "high speed" */
- uint32_t or_portsc[CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS];
+ uint32_t or_portsc[MAX_HC_PORTS];
#define PORTSC_PSPD(x) (((x) >> 26) & 0x3)
#define PORTSC_PSPD_FS 0x0
#define PORTSC_PSPD_LS 0x1