Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c
index 33115bc..4682f49 100644
--- a/drivers/spi/spi-mem.c
+++ b/drivers/spi/spi-mem.c
@@ -156,6 +156,12 @@
op->data.dir == SPI_MEM_DATA_OUT))
return false;
+ if (op->cmd.dtr || op->addr.dtr || op->dummy.dtr || op->data.dtr)
+ return false;
+
+ if (op->cmd.nbytes != 1)
+ return false;
+
return true;
}
EXPORT_SYMBOL_GPL(spi_mem_default_supports_op);
@@ -170,7 +176,7 @@
static int spi_mem_check_op(const struct spi_mem_op *op)
{
- if (!op->cmd.buswidth)
+ if (!op->cmd.buswidth || !op->cmd.nbytes)
return -EINVAL;
if ((op->addr.nbytes && !op->addr.buswidth) ||
@@ -289,7 +295,7 @@
if (!spi_mem_internal_supports_op(mem, op))
return -ENOTSUPP;
- if (ctlr->mem_ops) {
+ if (ctlr->mem_ops && !mem->spi->cs_gpiod) {
ret = spi_mem_access_start(mem);
if (ret)
return ret;
@@ -307,8 +313,7 @@
return ret;
}
- tmpbufsize = sizeof(op->cmd.opcode) + op->addr.nbytes +
- op->dummy.nbytes;
+ tmpbufsize = op->cmd.nbytes + op->addr.nbytes + op->dummy.nbytes;
/*
* Allocate a buffer to transmit the CMD, ADDR cycles with kmalloc() so
@@ -323,7 +328,7 @@
tmpbuf[0] = op->cmd.opcode;
xfers[xferpos].tx_buf = tmpbuf;
- xfers[xferpos].len = sizeof(op->cmd.opcode);
+ xfers[xferpos].len = op->cmd.nbytes;
xfers[xferpos].tx_nbits = op->cmd.buswidth;
spi_message_add_tail(&xfers[xferpos], &msg);
xferpos++;
@@ -421,12 +426,12 @@
struct spi_controller *ctlr = mem->spi->controller;
size_t len;
- len = sizeof(op->cmd.opcode) + op->addr.nbytes + op->dummy.nbytes;
-
if (ctlr->mem_ops && ctlr->mem_ops->adjust_op_size)
return ctlr->mem_ops->adjust_op_size(mem, op);
if (!ctlr->mem_ops || !ctlr->mem_ops->exec_op) {
+ len = op->cmd.nbytes + op->addr.nbytes + op->dummy.nbytes;
+
if (len > spi_max_transfer_size(mem->spi))
return -EINVAL;
@@ -490,7 +495,7 @@
* This function is creating a direct mapping descriptor which can then be used
* to access the memory using spi_mem_dirmap_read() or spi_mem_dirmap_write().
* If the SPI controller driver does not support direct mapping, this function
- * fallback to an implementation using spi_mem_exec_op(), so that the caller
+ * falls back to an implementation using spi_mem_exec_op(), so that the caller
* doesn't have to bother implementing a fallback on his own.
*
* Return: a valid pointer in case of success, and ERR_PTR() otherwise.