Hi,
On Tue, Jul 01, 2014 at 05:36:49PM +0100, Stefan Wahren wrote:
> This patch adds the Ethernet over SPI driver for the
> Qualcomm QCA7000 HomePlug GreenPHY.
>
> Signed-off-by: Stefan Wahren <stefan.wahren@xxxxxxxx>
> ---
> drivers/net/ethernet/Kconfig | 1 +
> drivers/net/ethernet/Makefile | 1 +
> drivers/net/ethernet/qualcomm/Kconfig | 30 +
> drivers/net/ethernet/qualcomm/Makefile | 6 +
> drivers/net/ethernet/qualcomm/qca_7k.c | 149 ++++
> drivers/net/ethernet/qualcomm/qca_7k.h | 72 ++
> drivers/net/ethernet/qualcomm/qca_debug.c | 311 +++++++++
> drivers/net/ethernet/qualcomm/qca_debug.h | 34 +
> drivers/net/ethernet/qualcomm/qca_framing.c | 155 +++++
> drivers/net/ethernet/qualcomm/qca_framing.h | 134 ++++
> drivers/net/ethernet/qualcomm/qca_spi.c | 1001 +++++++++++++++++++++++++++
> drivers/net/ethernet/qualcomm/qca_spi.h | 114 +++
> 12 files changed, 2008 insertions(+)
> create mode 100644 drivers/net/ethernet/qualcomm/Kconfig
> create mode 100644 drivers/net/ethernet/qualcomm/Makefile
> create mode 100644 drivers/net/ethernet/qualcomm/qca_7k.c
> create mode 100644 drivers/net/ethernet/qualcomm/qca_7k.h
> create mode 100644 drivers/net/ethernet/qualcomm/qca_debug.c
> create mode 100644 drivers/net/ethernet/qualcomm/qca_debug.h
> create mode 100644 drivers/net/ethernet/qualcomm/qca_framing.c
> create mode 100644 drivers/net/ethernet/qualcomm/qca_framing.h
> create mode 100644 drivers/net/ethernet/qualcomm/qca_spi.c
> create mode 100644 drivers/net/ethernet/qualcomm/qca_spi.h
[...]
> + if (of_find_property(spi_device->dev.of_node,
> + "qca,legacy-mode", NULL)) {
> + legacy_mode = 1;
> + }
Please use of_property_read bool for boolean properties. Here you can
have:
legacy_mode = of_property_read_bool(spi_device->dev.of_node,
"qca,legacy-mode")
[...]
> +
> + if (qcaspi_clkspeed == 0) {
> + if (of_find_property(spi_device->dev.of_node,
> + "spi-max-frequency", NULL)) {
> + qcaspi_clkspeed = spi_device->max_speed_hz;
> + } else {
> + qcaspi_clkspeed = QCASPI_CLK_SPEED;
> + }
> + }
As far as I can see, of_register_spi_devices leaves
spi_device->max_speed_hz zeroed if there's no spi-max-speed property, so
here you could have:
qcaspi_clkspeed = spi_device->max_speed_hz ?: QCASPI_CLK_SPEED;
Which avoids redundant DT parsing.
[...]
> + memcpy(qca->net_dev->dev_addr, mac, ETH_ALEN);
I believe that it is preferred to write:
ether_addr_copy(qca->net_dev->dev_addr, mac);
I believe checkpatch has a warning for this.
Thanks,
Mark.
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