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authorRussell King <rmk+kernel@arm.linux.org.uk>2015-04-04 21:34:33 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2015-06-01 23:48:40 +0100
commit17e7bf86690eaad4906d2295f0bd171cc194633b (patch)
treeebec52206f048d6c771eaa323952b5e81baf0d50 /fs/ubifs
parentb2c3e38a54714e917c9e8675ff5812dca1c0f39d (diff)
ARM: proc-v7: move CPU errata out of line
Rather than having a long sprawling __v7_setup function, which is hard to maintain properly, move the CPU errata out of line. While doing this, it was discovered that the Cortex-A15 errata had been incorrectly added: ldr r10, =0x00000c08 @ Cortex-A8 primary part number teq r0, r10 bne 2f /* Cortex-A8 errata */ b 3f 2: ldr r10, =0x00000c09 @ Cortex-A9 primary part number teq r0, r10 bne 3f /* Cortex-A9 errata */ 3: ldr r10, =0x00000c0f @ Cortex-A15 primary part number teq r0, r10 bne 4f /* Cortex-A15 errata */ 4: This results in the Cortex-A15 test always being executed after the Cortex-A8 and Cortex-A9 errata, which is obviously not what is intended. The 'b 3f' labels should have been updated to 'b 4f'. The new structure of: /* Cortex-A8 Errata */ ldr r10, =0x00000c08 @ Cortex-A8 primary part number teq r0, r10 beq __ca8_errata /* Cortex-A9 Errata */ ldr r10, =0x00000c09 @ Cortex-A9 primary part number teq r0, r10 beq __ca9_errata /* Cortex-A15 Errata */ ldr r10, =0x00000c0f @ Cortex-A15 primary part number teq r0, r10 beq __ca15_errata __errata_finish: is much cleaner and easier to see that this kind of thing doesn't happen. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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