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Date: Sun, 11 Jun 2023 01:35:17 +0100
From: Daniel Golle <daniel@...rotopia.org>
To: netdev@...r.kernel.org, linux-mediatek@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, Russell King <linux@...linux.org.uk>,
AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
Matthias Brugger <matthias.bgg@...il.com>,
Lorenzo Bianconi <lorenzo@...nel.org>,
Mark Lee <Mark-MC.Lee@...iatek.com>,
Sean Wang <sean.wang@...iatek.com>, John Crispin <john@...ozen.org>,
Felix Fietkau <nbd@....name>, Conor Dooley <conor+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Rob Herring <robh+dt@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Jakub Kicinski <kuba@...nel.org>,
Eric Dumazet <edumazet@...gle.com>,
"David S. Miller" <davem@...emloft.net>,
Sam Shih <Sam.Shih@...iatek.com>
Subject: [PATCH net-next 3/8] net: ethernet: mtk_eth_soc: move MAX_DEVS in
mtk_soc_data
From: Lorenzo Bianconi <lorenzo@...nel.org>
This is a preliminary patch to add MT7988 SoC support since it runs 3
macs instead of 2.
Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
Signed-off-by: Daniel Golle <daniel@...rotopia.org>
---
drivers/net/ethernet/mediatek/mtk_eth_soc.c | 34 +++++++++++++++++++--
drivers/net/ethernet/mediatek/mtk_eth_soc.h | 11 +++----
2 files changed, 36 insertions(+), 9 deletions(-)
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 7014e0d108b27..f91b661379a94 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -4030,7 +4030,10 @@ static void mtk_sgmii_destroy(struct mtk_eth *eth)
{
int i;
- for (i = 0; i < MTK_MAX_DEVS; i++)
+ if (!eth->sgmii_pcs)
+ return;
+
+ for (i = 0; i < eth->soc->num_devs; i++)
mtk_pcs_lynxi_destroy(eth->sgmii_pcs[i]);
}
@@ -4489,7 +4492,12 @@ static int mtk_sgmii_init(struct mtk_eth *eth)
u32 flags;
int i;
- for (i = 0; i < MTK_MAX_DEVS; i++) {
+ eth->sgmii_pcs = devm_kzalloc(eth->dev,
+ sizeof(*eth->sgmii_pcs) *
+ eth->soc->num_devs,
+ GFP_KERNEL);
+
+ for (i = 0; i < eth->soc->num_devs; i++) {
np = of_parse_phandle(eth->dev->of_node, "mediatek,sgmiisys", i);
if (!np)
break;
@@ -4534,6 +4542,18 @@ static int mtk_probe(struct platform_device *pdev)
if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628))
eth->ip_align = NET_IP_ALIGN;
+ eth->netdev = devm_kzalloc(eth->dev,
+ sizeof(*eth->netdev) * eth->soc->num_devs,
+ GFP_KERNEL);
+ if (!eth->netdev)
+ return -ENOMEM;
+
+ eth->mac = devm_kzalloc(eth->dev,
+ sizeof(*eth->mac) * eth->soc->num_devs,
+ GFP_KERNEL);
+ if (!eth->mac)
+ return -ENOMEM;
+
spin_lock_init(ð->page_lock);
spin_lock_init(ð->tx_irq_lock);
spin_lock_init(ð->rx_irq_lock);
@@ -4719,7 +4739,7 @@ static int mtk_probe(struct platform_device *pdev)
goto err_deinit_ppe;
}
- for (i = 0; i < MTK_MAX_DEVS; i++) {
+ for (i = 0; i < eth->soc->num_devs; i++) {
if (!eth->netdev[i])
continue;
@@ -4793,6 +4813,7 @@ static const struct mtk_soc_data mt2701_data = {
.hw_features = MTK_HW_FEATURES,
.required_clks = MT7623_CLKS_BITMAP,
.required_pctl = true,
+ .num_devs = 2,
.txrx = {
.txd_size = sizeof(struct mtk_tx_dma),
.rxd_size = sizeof(struct mtk_rx_dma),
@@ -4811,6 +4832,7 @@ static const struct mtk_soc_data mt7621_data = {
.required_pctl = false,
.offload_version = 1,
.hash_offset = 2,
+ .num_devs = 2,
.foe_entry_size = sizeof(struct mtk_foe_entry) - 16,
.txrx = {
.txd_size = sizeof(struct mtk_tx_dma),
@@ -4832,6 +4854,7 @@ static const struct mtk_soc_data mt7622_data = {
.offload_version = 2,
.hash_offset = 2,
.has_accounting = true,
+ .num_devs = 2,
.foe_entry_size = sizeof(struct mtk_foe_entry) - 16,
.txrx = {
.txd_size = sizeof(struct mtk_tx_dma),
@@ -4851,6 +4874,7 @@ static const struct mtk_soc_data mt7623_data = {
.required_pctl = true,
.offload_version = 1,
.hash_offset = 2,
+ .num_devs = 2,
.foe_entry_size = sizeof(struct mtk_foe_entry) - 16,
.txrx = {
.txd_size = sizeof(struct mtk_tx_dma),
@@ -4870,6 +4894,7 @@ static const struct mtk_soc_data mt7629_data = {
.required_clks = MT7629_CLKS_BITMAP,
.required_pctl = false,
.has_accounting = true,
+ .num_devs = 2,
.txrx = {
.txd_size = sizeof(struct mtk_tx_dma),
.rxd_size = sizeof(struct mtk_rx_dma),
@@ -4891,6 +4916,7 @@ static const struct mtk_soc_data mt7981_data = {
.hash_offset = 4,
.foe_entry_size = sizeof(struct mtk_foe_entry),
.has_accounting = true,
+ .num_devs = 2,
.txrx = {
.txd_size = sizeof(struct mtk_tx_dma_v2),
.rxd_size = sizeof(struct mtk_rx_dma_v2),
@@ -4910,6 +4936,7 @@ static const struct mtk_soc_data mt7986_data = {
.required_pctl = false,
.offload_version = 2,
.hash_offset = 4,
+ .num_devs = 2,
.foe_entry_size = sizeof(struct mtk_foe_entry),
.has_accounting = true,
.txrx = {
@@ -4928,6 +4955,7 @@ static const struct mtk_soc_data rt5350_data = {
.hw_features = MTK_HW_FEATURES_MT7628,
.required_clks = MT7628_CLKS_BITMAP,
.required_pctl = false,
+ .num_devs = 2,
.txrx = {
.txd_size = sizeof(struct mtk_tx_dma),
.rxd_size = sizeof(struct mtk_rx_dma),
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
index c74c3918113a5..62981e00be7e7 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -1016,6 +1016,7 @@ struct mtk_reg_map {
* @required_pctl A bool value to show whether the SoC requires
* the extra setup for those pins used by GMAC.
* @hash_offset Flow table hash offset.
+ * @num_devs SoC number of macs.
* @foe_entry_size Foe table entry size.
* @has_accounting Bool indicating support for accounting of
* offloaded flows.
@@ -1034,6 +1035,7 @@ struct mtk_soc_data {
bool required_pctl;
u8 offload_version;
u8 hash_offset;
+ u8 num_devs;
u16 foe_entry_size;
netdev_features_t hw_features;
bool has_accounting;
@@ -1049,9 +1051,6 @@ struct mtk_soc_data {
#define MTK_DMA_MONITOR_TIMEOUT msecs_to_jiffies(1000)
-/* currently no SoC has more than 2 macs */
-#define MTK_MAX_DEVS 2
-
/* struct mtk_eth - This is the main datasructure for holding the state
* of the driver
* @dev: The device pointer
@@ -1106,14 +1105,14 @@ struct mtk_eth {
spinlock_t tx_irq_lock;
spinlock_t rx_irq_lock;
struct net_device dummy_dev;
- struct net_device *netdev[MTK_MAX_DEVS];
- struct mtk_mac *mac[MTK_MAX_DEVS];
+ struct net_device **netdev;
+ struct mtk_mac **mac;
int irq[3];
u32 msg_enable;
unsigned long sysclk;
struct regmap *ethsys;
struct regmap *infra;
- struct phylink_pcs *sgmii_pcs[MTK_MAX_DEVS];
+ struct phylink_pcs **sgmii_pcs;
struct regmap *pctl;
bool hwlro;
refcount_t dma_refcnt;
--
2.41.0
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