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authorFrederic Danis <frederic.danis@linux.intel.com>2013-05-29 15:35:03 +0200
committerSamuel Ortiz <sameo@linux.intel.com>2013-06-14 13:44:15 +0200
commitee9596d467e4d05c77a8c883aeeb5b74d1a3cd31 (patch)
tree256dad6d872ced15c55723fcdccfcdcf3d87734a /scripts/patch-kernel
parent8a00a61b0ef2bfd1b468dd20c0d0b1a94a8f7475 (diff)
downloadlinux-ee9596d467e4d05c77a8c883aeeb5b74d1a3cd31.tar.bz2
NFC: Add NCI over SPI send
Before any operation, driver interruption is de-asserted to prevent race condition between TX and RX. The NCI over SPI header is added in front of NCI packet. If acknowledged mode is set, CRC-16-CCITT is added to the packet. Then the packet is forwarded to SPI module to be sent. A delay after the transaction is added. This delay is determined by the driver during nci_spi_allocate_device() call and can be 0. After data has been sent, driver interruption is re-asserted. If acknowledged mode is set, nci_spi_send will block until acknowledgment is received. Signed-off-by: Frederic Danis <frederic.danis@linux.intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'scripts/patch-kernel')
0 files changed, 0 insertions, 0 deletions