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https://github.com/team-infusion-developers/android_kernel_samsung_msm8976.git
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b2d1eee1e9
This patch updates the sata_promise driver as follows: - Correct typo in definition of PDC_TBG_MODE: it's at 0x41C not 0x41 in first-generation chips. This error caused PCI access alignment exceptions on SPARC64, and on all platforms it disabled the expected initialisation of TBG mode. - Add flags field to struct pdc_host_priv. Define PDC_FLAG_GEN_II and use it to distinguish first- and second-generation chips. - Prevent the FLASH_CTL FIFO_SHD bit from being set to 1 on second- generation chips. This matches Promises' ulsata2 driver. - Prevent TBG mode and SLEW rate initialisation in second-generation chips. These two registers have moved, TBG mode has been redefined, and Promise's ulsata2 driver no longer attempts to initialise them. - Correct PCI device table so devices 0x3570, 0x3571, and 0x3d73 are marked as 2057x (2nd gen) not 2037x (1st gen). - Correct PCI device table so device 0x3d17 is marked as 40518 (2nd gen 4 ports) not 20319 (1st gen 4 ports). - Correct pdc_ata_init_one() to treat 20771 as a second-generation chip. Tested on 0x3d75 (2nd gen), 0x3d73 (2nd gen), and 0x3373 (1st gen) chips. The information comes from the newly uploaded Promise SATA HW specs, Promise's ultra and ulsata2 drivers, and debugging on 3d75/3d73/3373 chips. hp->hotplug_offset could now be removed and its value recomputed in pdc_host_init() using hp->flags, but that would be a cleanup not a functional change, so I'm ignoring it for now. Signed-off-by: Mikael Pettersson <mikpe@it.uu.se> Signed-off-by: Jeff Garzik <jeff@garzik.org> |
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