lisa/android_kernel_xiaomi_sm8350
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NFC: Fix NFC firmware download issue

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Due to insufficient kernel buffer size, NFC firmware
download fails during NFC initialization.

Increased kernel buffer size to support
frame size of 554 in FW download mode.

Change-Id: I1e870389da1221a01b1a785ff1e5b6b175a88117
Signed-off-by: Tapas Dey <tdey@codeaurora.org>
This commit is contained in:
Tapas Dey 2020-08-26 20:13:21 +05:30
parent cf90c05d27
commit e671da4acd
1 changed files with 6 additions and 1 deletions
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7
drivers/nfc/qti/nfc_common.h
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@ -62,7 +62,12 @@
#define COLD_RESET_OID 0x1E
#define MAX_NCI_PAYLOAD_LEN (255)
#define MAX_BUFFER_SIZE (NCI_HDR_LEN + MAX_NCI_PAYLOAD_LEN)
/*
* From MW 11.04 buffer size increased to support
* frame size of 554 in FW download mode
* Frame len(2) + Frame Header(6) + DATA(512) + HASH(32) + CRC(2) + RFU(4)
*/
#define MAX_BUFFER_SIZE (558)
// Maximum retry count for standby writes
#define MAX_RETRY_COUNT (3)