Thread (4 messages) 4 messages, 4 authors, 2023-12-19

Re: [PATCH v2] i2c: cpm: Remove linux,i2c-index conversion from be32

From: Jochen Friedrich <jochen@scram.de>
Date: 2023-12-08 11:27:43
Also in: linux-i2c, lkml

Acked-By: Jochen Friedrich <jochen@scram.de>

Am 06.12.2023 um 23:24 schrieb Christophe Leroy:
quoted hunk ↗ jump to hunk
sparse reports an error on some data that gets converted from be32.

That's because that data is typed u32 instead of __be32.

The type is correct, the be32_to_cpu() conversion is not.

Remove the conversion.

Reported-by: kernel test robot <redacted>
Closes: https://lore.kernel.org/oe-kbuild-all/202312042210.QL4DA8Av-lkp@intel.com/ (local)
Signed-off-by: Christophe Leroy <redacted>
---
v2: Use u32 directly, remove be32_to_cpu().
---
  drivers/i2c/busses/i2c-cpm.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c
index 9a664abf734d..771d60bc8d71 100644
--- a/drivers/i2c/busses/i2c-cpm.c
+++ b/drivers/i2c/busses/i2c-cpm.c
@@ -658,7 +658,7 @@ static int cpm_i2c_probe(struct platform_device *ofdev)
  	/* register new adapter to i2c module... */
  
  	data = of_get_property(ofdev->dev.of_node, "linux,i2c-index", &len);
-	cpm->adap.nr = (data && len == 4) ? be32_to_cpup(data) : -1;
+	cpm->adap.nr = (data && len == 4) ? *data : -1;
  	result = i2c_add_numbered_adapter(&cpm->adap);
  
  	if (result < 0)
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