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NFC: trf7970a: Only fill FIFO if there is space
authorMark A. Greer <mgreer@animalcreek.com>
Tue, 2 Sep 2014 22:12:29 +0000 (15:12 -0700)
committerSamuel Ortiz <sameo@linux.intel.com>
Sun, 7 Sep 2014 21:13:43 +0000 (23:13 +0200)
commitb54af0f26be84552ad2f5c5218ce1c1485ef0873
tree7b20b0b75f61776f7b55fd31e270339f16832e3atree | snapshot
parente55d6483fc9497fb8e7ca5f8bbd8b616f1650241commit | diff
NFC: trf7970a: Only fill FIFO if there is space

Handle the case where trf7970a_fill_fifo() is
called but there is no room in the FIFO for
more TX data.  When this happens, wait for
another interrupt indicating that there is
now space (and set a timer in case that
interrupt never occurs).

Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
drivers/nfc/trf7970a.c diff | blob | history
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