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[ARM] omap: spi: arrange for omap_uwire to use connection ID

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... which now means no driver requests the "armxor_ck" clock directly.
Also, fix the error handling for clk_get(), ensuring that we propagate
the error returned from clk_get().

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2009-01-22 19:41:20 +00:00 committed by Russell King
parent cc51c9d444
commit b1ad379632
2 changed files with 6 additions and 4 deletions
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1
arch/arm/mach-omap1/clock.c
View File

@ -133,6 +133,7 @@ static struct omap_clk omap_clks[] = {
CLK("i2c_omap.1", "fck", &i2c_fck, CK_16XX | CK_1510 | CK_310),
CLK("i2c_omap.1", "ick", &i2c_ick, CK_16XX),
CLK("i2c_omap.1", "ick", &dummy_ck, CK_1510 | CK_310),
CLK("omap_uwire", "fck", &armxor_ck.clk, CK_16XX | CK_1510 | CK_310),
CLK("omap-mcbsp.1", "ick", &dspper_ck, CK_16XX),
CLK("omap-mcbsp.1", "ick", &dummy_ck, CK_1510 | CK_310),
CLK("omap-mcbsp.2", "ick", &armper_ck.clk, CK_16XX),

9
drivers/spi/omap_uwire.c
View File

@ -506,11 +506,12 @@ static int __init uwire_probe(struct platform_device *pdev)
dev_set_drvdata(&pdev->dev, uwire);
uwire->ck = clk_get(&pdev->dev, "armxor_ck");
if (!uwire->ck || IS_ERR(uwire->ck)) {
dev_dbg(&pdev->dev, "no mpu_xor_clk ?\n");
uwire->ck = clk_get(&pdev->dev, "fck");
if (IS_ERR(uwire->ck)) {
status = PTR_ERR(uwire->ck);
dev_dbg(&pdev->dev, "no functional clock?\n");
spi_master_put(master);
return -ENODEV;
return status;
}
clk_enable(uwire->ck);