Commit 9dcba7f2b7697db787741cf6698bf5c95130ffce
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gayle: add "doubler" parameter
* Add "doubler" parameter to enable support for IDE doublers. * Obsolete "ide=doubler" kernel parameter. Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Showing 3 changed files with 6 additions and 7 deletions Side-by-side Diff
Documentation/ide/ide.txt
... | ... | @@ -181,12 +181,6 @@ |
181 | 181 | Summary of ide driver parameters for kernel command line |
182 | 182 | -------------------------------------------------------- |
183 | 183 | |
184 | - "ide=doubler" : probe/support IDE doublers on Amiga | |
185 | - | |
186 | -There may be more options than shown -- use the source, Luke! | |
187 | - | |
188 | -Everything else is rejected with a "BAD OPTION" message. | |
189 | - | |
190 | 184 | For legacy IDE VLB host drivers (ali14xx/dtc2278/ht6560b/qd65xx/umc8672) |
191 | 185 | you need to explicitly enable probing by using "probe" kernel parameter, |
192 | 186 | i.e. to enable probing for ALI M14xx chipsets (ali14xx host driver) use: |
... | ... | @@ -202,6 +196,9 @@ |
202 | 196 | |
203 | 197 | You also need to use "probe" kernel parameter for ide-4drives driver |
204 | 198 | (support for IDE generic chipset with four drives on one port). |
199 | + | |
200 | +To enable support for IDE doublers on Amiga use "doubler" kernel parameter | |
201 | +for gayle host driver (i.e. "gayle.doubler" if the driver is built-in). | |
205 | 202 | |
206 | 203 | To force ignoring cable detection (this should be needed only if you're using |
207 | 204 | short 40-wires cable which cannot be automatically detected - if this is not |
drivers/ide/ide.c
drivers/ide/legacy/gayle.c
... | ... | @@ -63,6 +63,8 @@ |
63 | 63 | #define GAYLE_HAS_CONTROL_REG (!ide_doubler) |
64 | 64 | #define GAYLE_IDEREG_SIZE (ide_doubler ? 0x1000 : 0x2000) |
65 | 65 | int ide_doubler = 0; /* support IDE doublers? */ |
66 | +module_param_named(doubler, ide_doubler, bool, 0); | |
67 | +MODULE_PARM_DESC(doubler, "enable support for IDE doublers"); | |
66 | 68 | #endif /* CONFIG_BLK_DEV_IDEDOUBLER */ |
67 | 69 | |
68 | 70 |