msm_serial: Switch clock consumer strings and simplify code
In downstream kernel we've standardized the clock consumer names
that MSM device drivers use. Replace the uart specific clock
names in this driver with the more standard 'core' and 'iface'
names. Also simplify the code by assuming that clk_prepare_enable
and clk_disable_unprepare() will properly check for NULL pointers
(it will because MSM uses the common clock framework).
Cc: David Brown <davidb@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c
index cc44ef4..6789435 100644
--- a/drivers/tty/serial/msm_serial.c
+++ b/drivers/tty/serial/msm_serial.c
@@ -422,8 +422,7 @@
struct msm_port *msm_port = UART_TO_MSM(port);
clk_prepare_enable(msm_port->clk);
- if (!IS_ERR(msm_port->pclk))
- clk_prepare_enable(msm_port->pclk);
+ clk_prepare_enable(msm_port->pclk);
msm_serial_set_mnd_regs(port);
}
@@ -701,13 +700,11 @@
switch (state) {
case 0:
clk_prepare_enable(msm_port->clk);
- if (!IS_ERR(msm_port->pclk))
- clk_prepare_enable(msm_port->pclk);
+ clk_prepare_enable(msm_port->pclk);
break;
case 3:
clk_disable_unprepare(msm_port->clk);
- if (!IS_ERR(msm_port->pclk))
- clk_disable_unprepare(msm_port->pclk);
+ clk_disable_unprepare(msm_port->pclk);
break;
default:
printk(KERN_ERR "msm_serial: Unknown PM state %d\n", state);
@@ -895,18 +892,12 @@
else
msm_port->is_uartdm = 0;
- if (msm_port->is_uartdm) {
- msm_port->clk = devm_clk_get(&pdev->dev, "gsbi_uart_clk");
- msm_port->pclk = devm_clk_get(&pdev->dev, "gsbi_pclk");
- } else {
- msm_port->clk = devm_clk_get(&pdev->dev, "uart_clk");
- msm_port->pclk = ERR_PTR(-ENOENT);
- }
-
+ msm_port->clk = devm_clk_get(&pdev->dev, "core");
if (IS_ERR(msm_port->clk))
return PTR_ERR(msm_port->clk);
if (msm_port->is_uartdm) {
+ msm_port->pclk = devm_clk_get(&pdev->dev, "iface");
if (IS_ERR(msm_port->pclk))
return PTR_ERR(msm_port->pclk);