ide: move PIO blacklist to ide-pio-blacklist.c
Move PIO blacklist to ide-pio-blacklist.c.
While at it:
- fix comment
- fix whitespace damage
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-pio-blacklist.c b/drivers/ide/ide-pio-blacklist.c
new file mode 100644
index 0000000..a8c2c8f8
--- /dev/null
+++ b/drivers/ide/ide-pio-blacklist.c
@@ -0,0 +1,94 @@
+/*
+ * PIO blacklist. Some drives incorrectly report their maximal PIO mode,
+ * at least in respect to CMD640. Here we keep info on some known drives.
+ *
+ * Changes to the ide_pio_blacklist[] should be made with EXTREME CAUTION
+ * to avoid breaking the fragile cmd640.c support.
+ */
+
+#include <linux/string.h>
+
+static struct ide_pio_info {
+ const char *name;
+ int pio;
+} ide_pio_blacklist [] = {
+ { "Conner Peripherals 540MB - CFS540A", 3 },
+
+ { "WDC AC2700", 3 },
+ { "WDC AC2540", 3 },
+ { "WDC AC2420", 3 },
+ { "WDC AC2340", 3 },
+ { "WDC AC2250", 0 },
+ { "WDC AC2200", 0 },
+ { "WDC AC21200", 4 },
+ { "WDC AC2120", 0 },
+ { "WDC AC2850", 3 },
+ { "WDC AC1270", 3 },
+ { "WDC AC1170", 1 },
+ { "WDC AC1210", 1 },
+ { "WDC AC280", 0 },
+ { "WDC AC31000", 3 },
+ { "WDC AC31200", 3 },
+
+ { "Maxtor 7131 AT", 1 },
+ { "Maxtor 7171 AT", 1 },
+ { "Maxtor 7213 AT", 1 },
+ { "Maxtor 7245 AT", 1 },
+ { "Maxtor 7345 AT", 1 },
+ { "Maxtor 7546 AT", 3 },
+ { "Maxtor 7540 AV", 3 },
+
+ { "SAMSUNG SHD-3121A", 1 },
+ { "SAMSUNG SHD-3122A", 1 },
+ { "SAMSUNG SHD-3172A", 1 },
+
+ { "ST5660A", 3 },
+ { "ST3660A", 3 },
+ { "ST3630A", 3 },
+ { "ST3655A", 3 },
+ { "ST3391A", 3 },
+ { "ST3390A", 1 },
+ { "ST3600A", 1 },
+ { "ST3290A", 0 },
+ { "ST3144A", 0 },
+ { "ST3491A", 1 }, /* reports 3, should be 1 or 2 (depending on drive)
+ according to Seagate's FIND-ATA program */
+
+ { "QUANTUM ELS127A", 0 },
+ { "QUANTUM ELS170A", 0 },
+ { "QUANTUM LPS240A", 0 },
+ { "QUANTUM LPS210A", 3 },
+ { "QUANTUM LPS270A", 3 },
+ { "QUANTUM LPS365A", 3 },
+ { "QUANTUM LPS540A", 3 },
+ { "QUANTUM LIGHTNING 540A", 3 },
+ { "QUANTUM LIGHTNING 730A", 3 },
+
+ { "QUANTUM FIREBALL_540", 3 }, /* Older Quantum Fireballs don't work */
+ { "QUANTUM FIREBALL_640", 3 },
+ { "QUANTUM FIREBALL_1080", 3 },
+ { "QUANTUM FIREBALL_1280", 3 },
+ { NULL, 0 }
+};
+
+/**
+ * ide_scan_pio_blacklist - check for a blacklisted drive
+ * @model: Drive model string
+ *
+ * This routine searches the ide_pio_blacklist for an entry
+ * matching the start/whole of the supplied model name.
+ *
+ * Returns -1 if no match found.
+ * Otherwise returns the recommended PIO mode from ide_pio_blacklist[].
+ */
+
+int ide_scan_pio_blacklist(char *model)
+{
+ struct ide_pio_info *p;
+
+ for (p = ide_pio_blacklist; p->name != NULL; p++) {
+ if (strncmp(p->name, model, strlen(p->name)) == 0)
+ return p->pio;
+ }
+ return -1;
+}