Re: [PATCH] ata: ahci: fix enum constants for gcc-13

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On Thu, Dec 1, 2022, at 21:48, Randy Dunlap wrote:
> On 12/1/22 12:43, Arnd Bergmann wrote:
>> From: Arnd Bergmann <arnd@xxxxxxxx>
>> 
>> gcc-13 slightly changes the type of constant expressions that are deifined
>
>                                                                     defined

fixed

>> ---
>>  drivers/ata/ahci.h | 234 ++++++++++++++++++++++-----------------------
>>  1 file changed, 117 insertions(+), 117 deletions(-)
>
> What #include <linux/bits.h> ?
> or is it just done indirectly?

Good point. It survived a build test, and it's one of the headers that
is almost always included from somewhere, but you are correct that
there should be an explicit include here as well.

I also found that PORT_CMD_ICC_MASK is still a negative number
that needs to be changed:

@@ -178,10 +178,10 @@ enum {
        PORT_CMD_SPIN_UP        = BIT(1),  /* Spin up device */
        PORT_CMD_START          = BIT(0),  /* Enable port DMA engine */
 
-       PORT_CMD_ICC_MASK       = (0xf << 28), /* i/f ICC state mask */
-       PORT_CMD_ICC_ACTIVE     = (0x1 << 28), /* Put i/f in active state */
-       PORT_CMD_ICC_PARTIAL    = (0x2 << 28), /* Put i/f in partial state */
-       PORT_CMD_ICC_SLUMBER    = (0x6 << 28), /* Put i/f in slumber state */
+       PORT_CMD_ICC_MASK       = (0xfu << 28), /* i/f ICC state mask */
+       PORT_CMD_ICC_ACTIVE     = (0x1u << 28), /* Put i/f in active state */
+       PORT_CMD_ICC_PARTIAL    = (0x2u << 28), /* Put i/f in partial state */
+       PORT_CMD_ICC_SLUMBER    = (0x6u << 28), /* Put i/f in slumber state */
 
        /* PORT_CMD capabilities mask */
        PORT_CMD_CAP            = PORT_CMD_HPCP | PORT_CMD_MPSP |


I've addressed all three issues now, will send a v2 after Luis is
able to validate that this fixes the problem.

    Arnd



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