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authorJakub Kicinski <kuba@kernel.org>2022-03-03 11:55:12 -0800
committerJakub Kicinski <kuba@kernel.org>2022-03-03 11:55:12 -0800
commit80901bff812984624918d9d03f9286e3245ee9a5 (patch)
tree945b0f2416cb904e5a178f2d099958b510ed1d56 /drivers/ata/pata_hpt37x.c
parentMerge branch 'ptp-ocp-next' (diff)
parentMerge tag 'net-5.17-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (diff)
downloadlinux-dev-80901bff812984624918d9d03f9286e3245ee9a5.tar.xz
linux-dev-80901bff812984624918d9d03f9286e3245ee9a5.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
net/batman-adv/hard-interface.c commit 690bb6fb64f5 ("batman-adv: Request iflink once in batadv-on-batadv check") commit 6ee3c393eeb7 ("batman-adv: Demote batadv-on-batadv skip error message") https://lore.kernel.org/all/20220302163049.101957-1-sw@simonwunderlich.de/ net/smc/af_smc.c commit 4d08b7b57ece ("net/smc: Fix cleanup when register ULP fails") commit 462791bbfa35 ("net/smc: add sysctl interface for SMC") https://lore.kernel.org/all/20220302112209.355def40@canb.auug.org.au/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/ata/pata_hpt37x.c')
-rw-r--r--drivers/ata/pata_hpt37x.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c
index 7abc7e04f656..6fa4a2faf49c 100644
--- a/drivers/ata/pata_hpt37x.c
+++ b/drivers/ata/pata_hpt37x.c
@@ -920,6 +920,20 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
pci_write_config_byte(dev, 0x5a, irqmask);
/*
+ * HPT371 chips physically have only one channel, the secondary one,
+ * but the primary channel registers do exist! Go figure...
+ * So, we manually disable the non-existing channel here
+ * (if the BIOS hasn't done this already).
+ */
+ if (dev->device == PCI_DEVICE_ID_TTI_HPT371) {
+ u8 mcr1;
+
+ pci_read_config_byte(dev, 0x50, &mcr1);
+ mcr1 &= ~0x04;
+ pci_write_config_byte(dev, 0x50, mcr1);
+ }
+
+ /*
* default to pci clock. make sure MA15/16 are set to output
* to prevent drives having problems with 40-pin cables. Needed
* for some drives such as IBM-DTLA which will not enter ready
@@ -950,14 +964,14 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
if ((freq >> 12) != 0xABCDE) {
int i;
- u8 sr;
+ u16 sr;
u32 total = 0;
dev_warn(&dev->dev, "BIOS has not set timing clocks\n");
/* This is the process the HPT371 BIOS is reported to use */
for (i = 0; i < 128; i++) {
- pci_read_config_byte(dev, 0x78, &sr);
+ pci_read_config_word(dev, 0x78, &sr);
total += sr & 0x1FF;
udelay(15);
}