TechPanelGM/kernel_xiaomi_sm8250
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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: I93dc7a51116f121475529e5becb0a0d213d1ce2c
Signed-off-by: Tapas Dey <tdey@codeaurora.org>
This commit is contained in:
Tapas Dey
2020-08-26 20:06:48 +05:30
parent f5b0a62afd
commit 407b5f8684
1 changed files with 6 additions and 1 deletions
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7
drivers/nfc/nq-nci.h
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@@ -27,7 +27,12 @@
#define DEV_COUNT 1
#define DEVICE_NAME "nq-nci"
#define CLASS_NAME "nqx"
#define MAX_BUFFER_SIZE (320)
/*
* 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)
#define WAKEUP_SRC_TIMEOUT (2000)
#define NCI_HEADER_LEN 3
#define NCI_PAYLOAD_IDX 3