linux-kernel - [PATCH v3 2/5] mei: vsc: Enhance SPI transfer of IVSC rom

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Message-Id: <20240624132849.4174494-3-wentong.wu@intel.com>
Date: Mon, 24 Jun 2024 21:28:46 +0800
From: Wentong Wu <wentong.wu@...el.com>
To: sakari.ailus@...ux.intel.com,
	tomas.winkler@...el.com,
	gregkh@...uxfoundation.org
Cc: linux-kernel@...r.kernel.org,
	Wentong Wu <wentong.wu@...el.com>,
	stable@...r.kernel.org,
	Jason Chen <jason.z.chen@...el.com>
Subject: [PATCH v3 2/5] mei: vsc: Enhance SPI transfer of IVSC rom

Constructing the SPI transfer command as per the specific request.

Fixes: 566f5ca97680 ("mei: Add transport driver for IVSC device")
Cc: stable@...r.kernel.org # for 6.8+
Signed-off-by: Wentong Wu <wentong.wu@...el.com>
Tested-by: Jason Chen <jason.z.chen@...el.com>
---
 drivers/misc/mei/vsc-tp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/mei/vsc-tp.c b/drivers/misc/mei/vsc-tp.c
index 5f3195636e53..26387e2f1dd7 100644
--- a/drivers/misc/mei/vsc-tp.c
+++ b/drivers/misc/mei/vsc-tp.c
@@ -331,7 +331,7 @@ int vsc_tp_rom_xfer(struct vsc_tp *tp, const void *obuf, void *ibuf, size_t len)
 		return ret;
 	}
 
-	ret = vsc_tp_dev_xfer(tp, tp->tx_buf, tp->rx_buf, len);
+	ret = vsc_tp_dev_xfer(tp, tp->tx_buf, ibuf ? tp->rx_buf : NULL, len);
 	if (ret)
 		return ret;
 
-- 
2.34.1