From: Stephen Boyd <sboyd@codeaurora.org> To: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, David Brown <davidb@codeaurora.org>, linux-serial@vger.kernel.org Subject: [PATCH 2/4] msm_serial: Fix sparse warnings Date: Wed, 24 Jul 2013 11:37:29 -0700 [thread overview] Message-ID: <1374691051-28544-3-git-send-email-sboyd@codeaurora.org> (raw) In-Reply-To: <1374691051-28544-1-git-send-email-sboyd@codeaurora.org> drivers/tty/serial/msm_serial.c:302:6: warning: symbol 'msm_set_mctrl' was not declared. Should it be static? drivers/tty/serial/msm_serial.c:597:17: warning: incorrect type in argument 2 (different address spaces) drivers/tty/serial/msm_serial.c:597:17: expected void volatile [noderef] <asn:2>*addr drivers/tty/serial/msm_serial.c:597:17: got unsigned int * drivers/tty/serial/msm_serial.c:608:33: warning: incorrect type in argument 1 (different address spaces) drivers/tty/serial/msm_serial.c:608:33: expected void volatile [noderef] <asn:2>*addr drivers/tty/serial/msm_serial.c:608:33: got unsigned int *gsbi_base drivers/tty/serial/msm_serial.c:648:37: warning: incorrect type in assignment (different address spaces) drivers/tty/serial/msm_serial.c:648:37: expected unsigned int *gsbi_base drivers/tty/serial/msm_serial.c:648:37: got void [noderef] <asn:2>* Mark the ioremapped memory as __iomem and use writel instead of iowrite because we're not dealing with PCI devices. Also, mark msm_set_mctrl() static because it isn't used outside this file. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> --- drivers/tty/serial/msm_serial.c | 17 +++++++---------- 1 file changed, 7 insertions(+), 10 deletions(-) diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c index fa3fc67..cab4105 100644 --- a/drivers/tty/serial/msm_serial.c +++ b/drivers/tty/serial/msm_serial.c @@ -45,7 +45,7 @@ struct msm_port { struct clk *clk; struct clk *pclk; unsigned int imr; - unsigned int *gsbi_base; + void __iomem *gsbi_base; int is_uartdm; unsigned int old_snap_state; }; @@ -299,7 +299,7 @@ static void msm_reset(struct uart_port *port) msm_write(port, UART_CR_CMD_SET_RFR, UART_CR); } -void msm_set_mctrl(struct uart_port *port, unsigned int mctrl) +static void msm_set_mctrl(struct uart_port *port, unsigned int mctrl) { unsigned int mr; mr = msm_read(port, UART_MR1); @@ -593,12 +593,10 @@ static void msm_release_port(struct uart_port *port) port->membase = NULL; if (msm_port->gsbi_base) { - iowrite32(GSBI_PROTOCOL_IDLE, msm_port->gsbi_base + - GSBI_CONTROL); - - gsbi_resource = platform_get_resource(pdev, - IORESOURCE_MEM, 1); + writel_relaxed(GSBI_PROTOCOL_IDLE, + msm_port->gsbi_base + GSBI_CONTROL); + gsbi_resource = platform_get_resource(pdev, IORESOURCE_MEM, 1); if (unlikely(!gsbi_resource)) return; @@ -670,10 +668,9 @@ static void msm_config_port(struct uart_port *port, int flags) if (ret) return; } - if (msm_port->is_uartdm) - iowrite32(GSBI_PROTOCOL_UART, msm_port->gsbi_base + - GSBI_CONTROL); + writel_relaxed(GSBI_PROTOCOL_UART, + msm_port->gsbi_base + GSBI_CONTROL); } static int msm_verify_port(struct uart_port *port, struct serial_struct *ser) -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation
WARNING: multiple messages have this Message-ID (diff)
From: sboyd@codeaurora.org (Stephen Boyd) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 2/4] msm_serial: Fix sparse warnings Date: Wed, 24 Jul 2013 11:37:29 -0700 [thread overview] Message-ID: <1374691051-28544-3-git-send-email-sboyd@codeaurora.org> (raw) In-Reply-To: <1374691051-28544-1-git-send-email-sboyd@codeaurora.org> drivers/tty/serial/msm_serial.c:302:6: warning: symbol 'msm_set_mctrl' was not declared. Should it be static? drivers/tty/serial/msm_serial.c:597:17: warning: incorrect type in argument 2 (different address spaces) drivers/tty/serial/msm_serial.c:597:17: expected void volatile [noderef] <asn:2>*addr drivers/tty/serial/msm_serial.c:597:17: got unsigned int * drivers/tty/serial/msm_serial.c:608:33: warning: incorrect type in argument 1 (different address spaces) drivers/tty/serial/msm_serial.c:608:33: expected void volatile [noderef] <asn:2>*addr drivers/tty/serial/msm_serial.c:608:33: got unsigned int *gsbi_base drivers/tty/serial/msm_serial.c:648:37: warning: incorrect type in assignment (different address spaces) drivers/tty/serial/msm_serial.c:648:37: expected unsigned int *gsbi_base drivers/tty/serial/msm_serial.c:648:37: got void [noderef] <asn:2>* Mark the ioremapped memory as __iomem and use writel instead of iowrite because we're not dealing with PCI devices. Also, mark msm_set_mctrl() static because it isn't used outside this file. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> --- drivers/tty/serial/msm_serial.c | 17 +++++++---------- 1 file changed, 7 insertions(+), 10 deletions(-) diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c index fa3fc67..cab4105 100644 --- a/drivers/tty/serial/msm_serial.c +++ b/drivers/tty/serial/msm_serial.c @@ -45,7 +45,7 @@ struct msm_port { struct clk *clk; struct clk *pclk; unsigned int imr; - unsigned int *gsbi_base; + void __iomem *gsbi_base; int is_uartdm; unsigned int old_snap_state; }; @@ -299,7 +299,7 @@ static void msm_reset(struct uart_port *port) msm_write(port, UART_CR_CMD_SET_RFR, UART_CR); } -void msm_set_mctrl(struct uart_port *port, unsigned int mctrl) +static void msm_set_mctrl(struct uart_port *port, unsigned int mctrl) { unsigned int mr; mr = msm_read(port, UART_MR1); @@ -593,12 +593,10 @@ static void msm_release_port(struct uart_port *port) port->membase = NULL; if (msm_port->gsbi_base) { - iowrite32(GSBI_PROTOCOL_IDLE, msm_port->gsbi_base + - GSBI_CONTROL); - - gsbi_resource = platform_get_resource(pdev, - IORESOURCE_MEM, 1); + writel_relaxed(GSBI_PROTOCOL_IDLE, + msm_port->gsbi_base + GSBI_CONTROL); + gsbi_resource = platform_get_resource(pdev, IORESOURCE_MEM, 1); if (unlikely(!gsbi_resource)) return; @@ -670,10 +668,9 @@ static void msm_config_port(struct uart_port *port, int flags) if (ret) return; } - if (msm_port->is_uartdm) - iowrite32(GSBI_PROTOCOL_UART, msm_port->gsbi_base + - GSBI_CONTROL); + writel_relaxed(GSBI_PROTOCOL_UART, + msm_port->gsbi_base + GSBI_CONTROL); } static int msm_verify_port(struct uart_port *port, struct serial_struct *ser) -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation
next prev parent reply other threads:[~2013-07-24 18:37 UTC|newest] Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-07-24 18:37 [PATCH 0/4] msm_serial fixes and improvements Stephen Boyd 2013-07-24 18:37 ` Stephen Boyd 2013-07-24 18:37 ` [PATCH 1/4] msm_serial: Fix NUL byte output on UARTDM Stephen Boyd 2013-07-24 18:37 ` Stephen Boyd 2013-07-24 20:29 ` David Brown 2013-07-24 20:29 ` David Brown 2013-07-24 18:37 ` Stephen Boyd [this message] 2013-07-24 18:37 ` [PATCH 2/4] msm_serial: Fix sparse warnings Stephen Boyd 2013-07-24 20:30 ` David Brown 2013-07-24 20:30 ` David Brown 2013-07-24 18:37 ` [PATCH 3/4] msm_serial: Make baud_code detection more dynamic Stephen Boyd 2013-07-24 18:37 ` Stephen Boyd 2013-07-24 20:30 ` David Brown 2013-07-24 20:30 ` David Brown 2013-07-26 4:30 ` Bjorn Andersson 2013-07-26 4:30 ` Bjorn Andersson 2013-07-26 17:05 ` Stephen Boyd 2013-07-26 17:05 ` Stephen Boyd 2013-07-24 18:37 ` [PATCH 4/4] msm_serial: Send more than 1 character at a time on UARTDM Stephen Boyd 2013-07-24 18:37 ` Stephen Boyd 2013-07-24 20:31 ` David Brown 2013-07-24 20:31 ` David Brown 2013-07-24 20:31 ` [PATCH 0/4] msm_serial fixes and improvements David Brown 2013-07-24 20:31 ` David Brown 2013-07-29 9:31 ` Ivan T. Ivanov 2013-07-29 9:31 ` Ivan T. Ivanov
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