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[147.11.157.139]) by smtp.gmail.com with ESMTPSA id f127sm344056itf.27.2017.06.22.00.10.24 (version=TLS1_1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 22 Jun 2017 00:10:25 -0700 (PDT) From: Bin Meng To: Marek Vasut , U-Boot Mailing List Date: Thu, 22 Jun 2017 00:14:04 -0700 Message-Id: <1498115652-19409-11-git-send-email-bmeng.cn@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1498115652-19409-1-git-send-email-bmeng.cn@gmail.com> References: <1498115652-19409-1-git-send-email-bmeng.cn@gmail.com> Cc: Stefan Roese Subject: [U-Boot] [PATCH v2 10/18] usb: xhci: Change MAX_HC_PORTS to 255 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" HCSPARAMS1:MaxPorts field specifies the maximum port number value, and its valid values are in the range of 1 to 255. Signed-off-by: Bin Meng Reviewed-by: Simon Glass Reviewed-by: Stefan Roese Tested-by: Stefan Roese --- Changes in v2: None drivers/usb/host/xhci.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 32dd611..3cf08e4 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -30,7 +30,7 @@ /* Max number of USB devices for any host controller - limit in section 6.1 */ #define MAX_HC_SLOTS 256 /* Section 5.3.3 - MaxPorts */ -#define MAX_HC_PORTS 127 +#define MAX_HC_PORTS 255 /* Up to 16 ms to halt an HC */ #define XHCI_MAX_HALT_USEC (16*1000) @@ -102,8 +102,8 @@ struct xhci_hccr { #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 (0x7f << HCS_MAX_PORTS_SHIFT) -#define HCS_MAX_PORTS(p) (((p) >> 24) & 0x7f) +#define HCS_MAX_PORTS_MASK (0xff << HCS_MAX_PORTS_SHIFT) +#define HCS_MAX_PORTS(p) (((p) >> 24) & 0xff) /* HCSPARAMS2 - hcs_params2 - bitmasks */ /* bits 0:3, frames or uframes that SW needs to queue transactions