Merge tag 'v5.2-rc6' into for-5.3/block

Merge 5.2-rc6 into for-5.3/block, so we get the same page merge leak
fix. Otherwise we end up having conflicts with future patches between
for-5.3/block and master that touch this area. In particular, it makes
the bio_full() fix hard to backport to stable.

* tag 'v5.2-rc6': (482 commits)
  Linux 5.2-rc6
  Revert "iommu/vt-d: Fix lock inversion between iommu->lock and device_domain_lock"
  Bluetooth: Fix regression with minimum encryption key size alignment
  tcp: refine memory limit test in tcp_fragment()
  x86/vdso: Prevent segfaults due to hoisted vclock reads
  SUNRPC: Fix a credential refcount leak
  Revert "SUNRPC: Declare RPC timers as TIMER_DEFERRABLE"
  net :sunrpc :clnt :Fix xps refcount imbalance on the error path
  NFS4: Only set creation opendata if O_CREAT
  ARM: 8867/1: vdso: pass --be8 to linker if necessary
  KVM: nVMX: reorganize initial steps of vmx_set_nested_state
  KVM: PPC: Book3S HV: Invalidate ERAT when flushing guest TLB entries
  habanalabs: use u64_to_user_ptr() for reading user pointers
  nfsd: replace Jeff by Chuck as nfsd co-maintainer
  inet: clear num_timeout reqsk_alloc()
  PCI/P2PDMA: Ignore root complex whitelist when an IOMMU is present
  net: mvpp2: debugfs: Add pmap to fs dump
  ipv6: Default fib6_type to RTN_UNICAST when not set
  net: hns3: Fix inconsistent indenting
  net/af_iucv: always register net_device notifier
  ...

1 files changed, 16 insertions, 9 deletions

diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c
index 78e29fa06fe6..44e99e3d7134 100644
--- a/drivers/net/can/spi/mcp251x.c
+++ b/drivers/net/can/spi/mcp251x.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * CAN bus driver for Microchip 251x CAN Controller with SPI Interface
+ * CAN bus driver for Microchip 251x/25625 CAN Controller with SPI Interface
  *
  * MCP2510 support and bug fixes by Christian Pellegrin
  * <chripell@evolware.org>
@@ -28,7 +28,7 @@
  * static struct spi_board_info spi_board_info[] = {
  *         {
  *                 .modalias = "mcp2510",
- *			// or "mcp2515" depending on your controller
+ *			// "mcp2515" or "mcp25625" depending on your controller
  *                 .platform_data = &mcp251x_info,
  *                 .irq = IRQ_EINT13,
  *                 .max_speed_hz = 2*1000*1000,
@@ -224,6 +224,7 @@ static const struct can_bittiming_const mcp251x_bittiming_const = {
 enum mcp251x_model {
 	CAN_MCP251X_MCP2510	= 0x2510,
 	CAN_MCP251X_MCP2515	= 0x2515,
+	CAN_MCP251X_MCP25625	= 0x25625,
 };
 
 struct mcp251x_priv {
@@ -266,7 +267,6 @@ static inline int mcp251x_is_##_model(struct spi_device *spi) \
 }
 
 MCP251X_IS(2510);
-MCP251X_IS(2515);
 
 static void mcp251x_clean(struct net_device *net)
 {
@@ -625,7 +625,7 @@ static int mcp251x_hw_reset(struct spi_device *spi)
 
 	/* Wait for oscillator startup timer after reset */
 	mdelay(MCP251X_OST_DELAY_MS);
-	
+
 	reg = mcp251x_read_reg(spi, CANSTAT);
 	if ((reg & CANCTRL_REQOP_MASK) != CANCTRL_REQOP_CONF)
 		return -ENODEV;
@@ -806,9 +806,8 @@ static irqreturn_t mcp251x_can_ist(int irq, void *dev_id)
 		/* receive buffer 0 */
 		if (intf & CANINTF_RX0IF) {
 			mcp251x_hw_rx(spi, 0);
-			/*
-			 * Free one buffer ASAP
-			 * (The MCP2515 does this automatically.)
+			/* Free one buffer ASAP
+			 * (The MCP2515/25625 does this automatically.)
 			 */
 			if (mcp251x_is_2510(spi))
 				mcp251x_write_bits(spi, CANINTF, CANINTF_RX0IF, 0x00);
@@ -817,7 +816,7 @@ static irqreturn_t mcp251x_can_ist(int irq, void *dev_id)
 		/* receive buffer 1 */
 		if (intf & CANINTF_RX1IF) {
 			mcp251x_hw_rx(spi, 1);
-			/* the MCP2515 does this automatically */
+			/* The MCP2515/25625 does this automatically. */
 			if (mcp251x_is_2510(spi))
 				clear_intf |= CANINTF_RX1IF;
 		}
@@ -992,6 +991,10 @@ static const struct of_device_id mcp251x_of_match[] = {
 		.compatible	= "microchip,mcp2515",
 		.data		= (void *)CAN_MCP251X_MCP2515,
 	},
+	{
+		.compatible	= "microchip,mcp25625",
+		.data		= (void *)CAN_MCP251X_MCP25625,
+	},
 	{ }
 };
 MODULE_DEVICE_TABLE(of, mcp251x_of_match);
@@ -1005,6 +1008,10 @@ static const struct spi_device_id mcp251x_id_table[] = {
 		.name		= "mcp2515",
 		.driver_data	= (kernel_ulong_t)CAN_MCP251X_MCP2515,
 	},
+	{
+		.name		= "mcp25625",
+		.driver_data	= (kernel_ulong_t)CAN_MCP251X_MCP25625,
+	},
 	{ }
 };
 MODULE_DEVICE_TABLE(spi, mcp251x_id_table);
@@ -1245,5 +1252,5 @@ module_spi_driver(mcp251x_can_driver);
 
 MODULE_AUTHOR("Chris Elston <celston@katalix.com>, "
 	      "Christian Pellegrin <chripell@evolware.org>");
-MODULE_DESCRIPTION("Microchip 251x CAN driver");
+MODULE_DESCRIPTION("Microchip 251x/25625 CAN driver");
 MODULE_LICENSE("GPL v2");