From 86d1fa17fb91d2579ed059db0125a198c7a388fd Mon Sep 17 00:00:00 2001 From: Chunfeng Yun Date: Tue, 8 Sep 2020 18:59:58 +0200 Subject: [PATCH] usb: xhci: convert to HCS_MAX_PORTS() Use HCS_MAX_PORTS(p) instead of ((p & HCS_MAX_PORTS_MASK) >> HCS_MAX_PORTS_SHIFT) Signed-off-by: Chunfeng Yun Reviewed-by: Bin Meng --- drivers/usb/host/xhci.c | 3 +-- include/usb/xhci.h | 2 -- 2 files changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 51edeb22c1..5f3a0fba4b 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -1257,8 +1257,7 @@ static int xhci_lowlevel_init(struct xhci_ctrl *ctrl) return -ENOMEM; reg = xhci_readl(&hccr->cr_hcsparams1); - descriptor.hub.bNbrPorts = ((reg & HCS_MAX_PORTS_MASK) >> - HCS_MAX_PORTS_SHIFT); + descriptor.hub.bNbrPorts = HCS_MAX_PORTS(reg); printf("Register %x NbrPorts %d\n", reg, descriptor.hub.bNbrPorts); /* Port Indicators */ diff --git a/include/usb/xhci.h b/include/usb/xhci.h index 3de46cd95e..cf4c0208b2 100644 --- a/include/usb/xhci.h +++ b/include/usb/xhci.h @@ -101,8 +101,6 @@ struct xhci_hccr { /* bits 8:18, Max Interrupters */ #define HCS_MAX_INTRS(p) (((p) >> 8) & 0x7ff) /* bits 24:31, Max Ports - max value is 0x7F = 127 ports */ -#define HCS_MAX_PORTS_SHIFT 24 -#define HCS_MAX_PORTS_MASK (0xff << HCS_MAX_PORTS_SHIFT) #define HCS_MAX_PORTS(p) (((p) >> 24) & 0xff) /* HCSPARAMS2 - hcs_params2 - bitmasks */ -- 2.39.5