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serial: tegra: Convert to devm_ioremap_resource()

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Use the newly introduced devm_ioremap_resource() instead of
devm_request_and_ioremap() which provides more consistent error handling.

devm_ioremap_resource() provides its own error messages; so all explicit
error messages can be removed from the failure code paths.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Cc: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sachin Kamat 2013-03-04 09:59:00 +05:30 committed by Greg Kroah-Hartman
parent 19ffd68f81
commit 84e8192204
1 changed files with 4 additions and 5 deletions
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9
drivers/tty/serial/serial-tegra.c
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@ -26,6 +26,7 @@
#include <linux/dmaengine.h>
#include <linux/dma-mapping.h>
#include <linux/dmapool.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/module.h>
@ -1301,11 +1302,9 @@ static int tegra_uart_probe(struct platform_device *pdev)
}
u->mapbase = resource->start;
u->membase = devm_request_and_ioremap(&pdev->dev, resource);
if (!u->membase) {
dev_err(&pdev->dev, "memregion/iomap address req failed\n");
return -EADDRNOTAVAIL;
}
u->membase = devm_ioremap_resource(&pdev->dev, resource);
if (IS_ERR(u->membase))
return PTR_ERR(u->membase);
tup->uart_clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(tup->uart_clk)) {