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| author | David E. Box <david.e.box@linux.intel.com> | 2022-04-20 18:56:22 +0300 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2022-04-27 17:55:54 +0300 |
| commit | 00dd3ace931b4d2f6e5e9ccf4bf738fe46b64289 (patch) | |
| tree | 003bfe0a98563d35ce4a699e2707811c067f38fe | |
| parent | a30393b36ca84be7c70733b7c1e39d311f5919f3 (diff) | |
| download | linux-00dd3ace931b4d2f6e5e9ccf4bf738fe46b64289.tar.xz | |
platform/x86/intel/sdsi: Fix bug in multi packet reads
Fix bug that added an offset to the mailbox addr during multi-packet
reads. Did not affect current ABI since it doesn't support multi-packet
transactions.
Fixes: 2546c6000430 ("platform/x86: Add Intel Software Defined Silicon driver")
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Link: https://lore.kernel.org/r/20220420155622.1763633-4-david.e.box@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
| -rw-r--r-- | drivers/platform/x86/intel/sdsi.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/platform/x86/intel/sdsi.c b/drivers/platform/x86/intel/sdsi.c index 89729fed030c..c830e98dfa38 100644 --- a/drivers/platform/x86/intel/sdsi.c +++ b/drivers/platform/x86/intel/sdsi.c @@ -83,7 +83,7 @@ enum sdsi_command { struct sdsi_mbox_info { u64 *payload; - u64 *buffer; + void *buffer; int size; }; @@ -165,9 +165,7 @@ static int sdsi_mbox_cmd_read(struct sdsi_priv *priv, struct sdsi_mbox_info *inf total = 0; loop = 0; do { - int offset = SDSI_SIZE_MAILBOX * loop; - void __iomem *addr = priv->mbox_addr + offset; - u64 *buf = info->buffer + offset / SDSI_SIZE_CMD; + void *buf = info->buffer + (SDSI_SIZE_MAILBOX * loop); u32 packet_size; /* Poll on ready bit */ @@ -198,7 +196,7 @@ static int sdsi_mbox_cmd_read(struct sdsi_priv *priv, struct sdsi_mbox_info *inf break; } - sdsi_memcpy64_fromio(buf, addr, round_up(packet_size, SDSI_SIZE_CMD)); + sdsi_memcpy64_fromio(buf, priv->mbox_addr, round_up(packet_size, SDSI_SIZE_CMD)); total += packet_size; |