Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 50c01fc3 authored by Jamie Iles's avatar Jamie Iles Committed by Grant Likely
Browse files

spi/dw_spi: don't treat NULL clk as an error 



clk_get() returns a struct clk cookie to the driver and some platforms
may return NULL if they only support a single clock.  clk_get() has only
failed if it returns a ERR_PTR() encoded pointer.

Signed-off-by: default avatarJamie Iles <jamie@jamieiles.com>
Signed-off-by: default avatarGrant Likely <grant.likely@secretlab.ca>
parent 76d9cc45

drivers/spi/dw_spi_mmio.c

+3 −2
Original line number Diff line number Diff line
@@ -9,6 +9,7 @@ 
 */



#include <linux/clk.h>

#include <linux/err.h>

#include <linux/interrupt.h>

#include <linux/platform_device.h>

#include <linux/slab.h>
@@ -68,8 +69,8 @@ static int __devinit dw_spi_mmio_probe(struct platform_device *pdev) 
	}



	dwsmmio->clk = clk_get(&pdev->dev, NULL);

	if (!dwsmmio->clk) {

		ret = -ENODEV;

	if (IS_ERR(dwsmmio->clk)) {

		ret = PTR_ERR(dwsmmio->clk);

		goto err_irq;

	}

	clk_enable(dwsmmio->clk);