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oxnas: fix qc_prep return in sata driver after kernel 4.14.200

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This fixes a regression after a kernel change in 4.14.200 [1] that
led to build failure on oxnas/ox820:

  drivers/ata/sata_oxnas.c:2238:13: error: initialization of
  'enum ata_completion_errors (*)(struct ata_queued_cmd *)'
  from incompatible pointer type
  'void (*)(struct ata_queued_cmd *)' [-Werror=incompatible-pointer-types]
    .qc_prep = sata_oxnas_qc_prep,
               ^~~~~~~~~~~~~~~~~~
  drivers/ata/sata_oxnas.c:2238:13: note:
  (near initialization for 'sata_oxnas_ops.qc_prep')

Our local driver is changed the same way as prototyped in the
kernel patch, i.e. return type is changed and AC_ERR_OK return
value is added.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=306a1c5b5683c1d37565e575386139a64bdbec6f

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
(cherry picked from commit f6ca57e4f4)
This commit is contained in:
Adrian Schmutzler 2020-10-09 16:44:30 +02:00 committed by Daniel Golle
parent 6696fddfd9
commit aee081e62e
1 changed files with 3 additions and 1 deletions
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4
target/linux/oxnas/files/drivers/ata/sata_oxnas.c
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@ -1802,7 +1802,7 @@ static inline void sata_oxnas_reset_ucode(struct ata_host *ah, int force,
* Prepare as much as possible for a command without involving anything that is
* shared between ports.
*/
static void sata_oxnas_qc_prep(struct ata_queued_cmd *qc)
static enum ata_completion_errors sata_oxnas_qc_prep(struct ata_queued_cmd *qc)
{
struct sata_oxnas_port_priv *pd;
int port_no = qc->ap->port_no;
@ -1848,6 +1848,8 @@ static void sata_oxnas_qc_prep(struct ata_queued_cmd *qc)
/* tell it to wait */
iowrite32(SGDMA_CONTROL_NOGO, pd->sgdma_base + SGDMA_CONTROL);
}
return AC_ERR_OK;
}
static int sata_oxnas_port_start(struct ata_port *ap)