void mmc_movi_sds_add_quirk(struct mmc_card *card, int data)
{
u32 *buffer;
int err;
u32 date;
/* Only production revision 0xf1 is affected */
if (card->cid.prod_rev != 0xf1)
return;
/* Read and check firmware date from Smart Report */
buffer = kmalloc(512, GFP_KERNEL);
if (!buffer) {
pr_err("%s: kmalloc failed.\n", __func__);
return;
}
mmc_claim_host(card->host);
err = mmc_samsung_smart_read(card, (u8 *)buffer);
mmc_release_host(card->host);
if (err) {
pr_err("%s: Failed to read Smart Report.\n",
mmc_hostname(card->host));
return;
}
date = le32_to_cpu(buffer[81]);
kfree(buffer);
if (date != 0x20120413)
return;
pr_warn("%s: SDS fixup is needed.\n", mmc_hostname(card->host));
card->quirks |= data;
/* We need to fixup now, since mmc_init_card was already called. */
err = mmc_movi_sds_fixup(card);
if (err)
pr_err("%s: SDS fixup failed.\n", mmc_hostname(card->host));
init_mmc_ram(card);
}
ssize_t mmc_samsung_smart_handle(struct mmc_card *card, char *buf)
{
int err;
u32 *buffer;
ssize_t len;
buffer = kmalloc(512, GFP_KERNEL);
if (!buffer) {
pr_err("Failed to alloc memory for Smart Report\n");
return 0;
}
mmc_claim_host(card->host);
err = mmc_samsung_smart_read(card, (u8 *)buffer);
mmc_release_host(card->host);
if (err)
len = 0;
else
len = mmc_samsung_smart_parse(buffer, buf);
kfree(buffer);
return len;
}
