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authorAndy Green <andy@openmoko.com>2009-02-23 01:21:27 +0000
committerAndy Green <agreen@octopus.localdomain>2009-02-23 01:21:27 +0000
commit8df75a337131d835d4dd8509696d684e4fa8970e (patch)
tree08da880f825c191b7f815045b24f39bf3b4fcbd7 /arch/arm/mach-s3c2440
parentbc49de906ce5a6e39a4bc9a46ab33af09b93295f (diff)
fix-pm-gsm-disable-serial-drive-when-off.patch
This patch cleans some cruft from neo1973-pm-gsm.c and makes some changes to the power code for gsm. First, on probe it enforces GSM is OFF. Second, when GSM is OFF, it changes the RTS and TXD pins on UART 0 to be inputs, instead of driving into a dead subsystem and costing us ~70mA @ 5V constant dissipation (these 3.3V pins were found at 1.5V due to that). Third it asserts the GPIO peripheral function when ON, to keep the same flow for the new interrupt generation workaround code. Since several people worked on this area before, and maybe the assertion of GSM OFF is different (it's OFF from bootloader though) or maybe something else gets broken, I send the patch for comment before applying it. Signed-off-by: Andy Green <andy@openmoko.com>
Diffstat (limited to 'arch/arm/mach-s3c2440')
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