linux-kernel - [PATCH lora-next 10/11] net: lora: sx130x: Mark MCU

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Date:   Sun,  6 Jan 2019 09:37:53 +0100
From:   Andreas Färber <afaerber@...e.de>
To:     linux-lpwan@...ts.infradead.org
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Andreas Färber <afaerber@...e.de>,
        Ben Whitten <ben.whitten@...il.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH lora-next 10/11] net: lora: sx130x: Mark MCU_CTRL register as volatile

For reasons as of yet unknown, this is necessary to unbreak ARB firmware
version check.

Cc: Ben Whitten <ben.whitten@...il.com>
Signed-off-by: Andreas Färber <afaerber@...e.de>
---
 drivers/net/lora/sx130x.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/lora/sx130x.c b/drivers/net/lora/sx130x.c
index 8bdd343a273f..76ce072a540a 100644
--- a/drivers/net/lora/sx130x.c
+++ b/drivers/net/lora/sx130x.c
@@ -126,6 +126,8 @@ static bool sx130x_volatile_reg(struct device *dev, unsigned int reg)
 	case SX1301_MPD:
 	case SX1301_AGCSTS:
 
+	case SX1301_MCU_CTRL:
+
 	case SX1301_RADIO_A_SPI_DATA_RB:
 	case SX1301_RADIO_B_SPI_DATA_RB:
 	case SX1301_DBG_ARB_MCU_RAM_DATA:
-- 
2.16.4