Re: [RFC PATCH v2 net-next 1/8] net: dsa: ocelot: remove unnecessary pci_bar variables
From: Vladimir Oltean
Date: Sat Jul 10 2021 - 15:53:25 EST
On Sat, Jul 10, 2021 at 12:25:55PM -0700, Colin Foster wrote:
> The pci_bar variables for the switch and imdio don't make sense for the
> generic felix driver. Moving them to felix_vsc9959 to limit scope and
> simplify the felix_info struct.
>
> Signed-off-by: Colin Foster <colin.foster@xxxxxxxxxxxxxxxx>
> ---
Reviewed-by: Vladimir Oltean <vladimir.oltean@xxxxxxx>
Just one comment below.
> drivers/net/dsa/ocelot/felix.h | 2 --
> drivers/net/dsa/ocelot/felix_vsc9959.c | 11 +++++------
> 2 files changed, 5 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/net/dsa/ocelot/felix.h b/drivers/net/dsa/ocelot/felix.h
> index 4d96cad815d5..47769dd386db 100644
> --- a/drivers/net/dsa/ocelot/felix.h
> +++ b/drivers/net/dsa/ocelot/felix.h
> @@ -20,8 +20,6 @@ struct felix_info {
> int num_ports;
> int num_tx_queues;
> struct vcap_props *vcap;
> - int switch_pci_bar;
> - int imdio_pci_bar;
> const struct ptp_clock_info *ptp_caps;
>
> /* Some Ocelot switches are integrated into the SoC without the
> diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c
> index f966a253d1c7..182ca749c8e2 100644
> --- a/drivers/net/dsa/ocelot/felix_vsc9959.c
> +++ b/drivers/net/dsa/ocelot/felix_vsc9959.c
> @@ -1359,8 +1359,6 @@ static const struct felix_info felix_info_vsc9959 = {
> .num_mact_rows = 2048,
> .num_ports = 6,
> .num_tx_queues = OCELOT_NUM_TC,
> - .switch_pci_bar = 4,
> - .imdio_pci_bar = 0,
> .quirk_no_xtr_irq = true,
> .ptp_caps = &vsc9959_ptp_caps,
> .mdio_bus_alloc = vsc9959_mdio_bus_alloc,
> @@ -1388,6 +1386,9 @@ static irqreturn_t felix_irq_handler(int irq, void *data)
> return IRQ_HANDLED;
> }
>
> +#define VSC9959_SWITCH_PCI_BAR 4
> +#define VSC9959_IMDIO_PCI_BAR 0
> +
I would prefer these to be declared right below
#define VSC9959_TAS_GCL_ENTRY_MAX 63
and aligned with it