[PATCH] rtw88: 8822[bc]: Make tables const, reduce data object size

From: Joe Perches
Date: Thu Feb 06 2020 - 05:56:31 EST


Reduce the data size 2kb or 3kb by making tables const.
Add const to pointer declarations to make compilation work too.

(x86-64 defconfig)
$ size drivers/net/wireless/realtek/rtw88/rtw8822?.o*
text data bss dec hex filename
25054 672 8 25734 6486 drivers/net/wireless/realtek/rtw88/rtw8822b.o.new
23870 1872 8 25750 6496 drivers/net/wireless/realtek/rtw88/rtw8822b.o.old
53646 828 0 54474 d4ca drivers/net/wireless/realtek/rtw88/rtw8822c.o.new
52846 1652 0 54498 d4e2 drivers/net/wireless/realtek/rtw88/rtw8822c.o.old

(x86-64 allyesconfig)
$ size drivers/net/wireless/realtek/rtw88/rtw8822?.o*
text data bss dec hex filename
45811 6280 128 52219 cbfb drivers/net/wireless/realtek/rtw88/rtw8822b.o.new
44211 7880 128 52219 cbfb drivers/net/wireless/realtek/rtw88/rtw8822b.o.old
100195 8128 0 108323 1a723 drivers/net/wireless/realtek/rtw88/rtw8822c.o.new
98947 9376 0 108323 1a723 drivers/net/wireless/realtek/rtw88/rtw8822c.o.old

Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
drivers/net/wireless/realtek/rtw88/mac.c | 19 +++++++++---------
drivers/net/wireless/realtek/rtw88/main.h | 22 ++++++++++-----------
drivers/net/wireless/realtek/rtw88/pci.c | 2 +-
drivers/net/wireless/realtek/rtw88/rtw8822b.c | 28 +++++++++++++--------------
drivers/net/wireless/realtek/rtw88/rtw8822c.c | 28 +++++++++++++--------------
5 files changed, 50 insertions(+), 49 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtw88/mac.c b/drivers/net/wireless/realtek/rtw88/mac.c
index cadf0a..0b98d3 100644
--- a/drivers/net/wireless/realtek/rtw88/mac.c
+++ b/drivers/net/wireless/realtek/rtw88/mac.c
@@ -101,7 +101,7 @@ static int rtw_mac_pre_system_cfg(struct rtw_dev *rtwdev)
}

static int rtw_pwr_cmd_polling(struct rtw_dev *rtwdev,
- struct rtw_pwr_seq_cmd *cmd)
+ const struct rtw_pwr_seq_cmd *cmd)
{
u8 value;
u8 flag = 0;
@@ -139,9 +139,10 @@ static int rtw_pwr_cmd_polling(struct rtw_dev *rtwdev,
}

static int rtw_sub_pwr_seq_parser(struct rtw_dev *rtwdev, u8 intf_mask,
- u8 cut_mask, struct rtw_pwr_seq_cmd *cmd)
+ u8 cut_mask,
+ const struct rtw_pwr_seq_cmd *cmd)
{
- struct rtw_pwr_seq_cmd *cur_cmd;
+ const struct rtw_pwr_seq_cmd *cur_cmd;
u32 offset;
u8 value;

@@ -183,13 +184,13 @@ static int rtw_sub_pwr_seq_parser(struct rtw_dev *rtwdev, u8 intf_mask,
}

static int rtw_pwr_seq_parser(struct rtw_dev *rtwdev,
- struct rtw_pwr_seq_cmd **cmd_seq)
+ const struct rtw_pwr_seq_cmd **cmd_seq)
{
u8 cut_mask;
u8 intf_mask;
u8 cut;
u32 idx = 0;
- struct rtw_pwr_seq_cmd *cmd;
+ const struct rtw_pwr_seq_cmd *cmd;
int ret;

cut = rtwdev->hal.cut_version;
@@ -223,7 +224,7 @@ static int rtw_pwr_seq_parser(struct rtw_dev *rtwdev,
static int rtw_mac_power_switch(struct rtw_dev *rtwdev, bool pwr_on)
{
struct rtw_chip_info *chip = rtwdev->chip;
- struct rtw_pwr_seq_cmd **pwr_seq;
+ const struct rtw_pwr_seq_cmd **pwr_seq;
u8 rpwm;
bool cur_pwr;

@@ -705,7 +706,7 @@ int rtw_download_firmware(struct rtw_dev *rtwdev, struct rtw_fw_state *fw)

static u32 get_priority_queues(struct rtw_dev *rtwdev, u32 queues)
{
- struct rtw_rqpn *rqpn = rtwdev->fifo.rqpn;
+ const struct rtw_rqpn *rqpn = rtwdev->fifo.rqpn;
u32 prio_queues = 0;

if (queues & BIT(IEEE80211_AC_VO))
@@ -793,7 +794,7 @@ void rtw_mac_flush_queues(struct rtw_dev *rtwdev, u32 queues, bool drop)
static int txdma_queue_mapping(struct rtw_dev *rtwdev)
{
struct rtw_chip_info *chip = rtwdev->chip;
- struct rtw_rqpn *rqpn = NULL;
+ const struct rtw_rqpn *rqpn = NULL;
u16 txdma_pq_map = 0;

switch (rtw_hci_type(rtwdev)) {
@@ -882,7 +883,7 @@ static int priority_queue_cfg(struct rtw_dev *rtwdev)
{
struct rtw_fifo_conf *fifo = &rtwdev->fifo;
struct rtw_chip_info *chip = rtwdev->chip;
- struct rtw_page_table *pg_tbl = NULL;
+ const struct rtw_page_table *pg_tbl = NULL;
u16 pubq_num;
int ret;

diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h
index f334d2..a55635 100644
--- a/drivers/net/wireless/realtek/rtw88/main.h
+++ b/drivers/net/wireless/realtek/rtw88/main.h
@@ -948,10 +948,10 @@ struct rtw_wow_param {
};

struct rtw_intf_phy_para_table {
- struct rtw_intf_phy_para *usb2_para;
- struct rtw_intf_phy_para *usb3_para;
- struct rtw_intf_phy_para *gen1_para;
- struct rtw_intf_phy_para *gen2_para;
+ const struct rtw_intf_phy_para *usb2_para;
+ const struct rtw_intf_phy_para *usb3_para;
+ const struct rtw_intf_phy_para *gen1_para;
+ const struct rtw_intf_phy_para *gen2_para;
u8 n_usb2_para;
u8 n_usb3_para;
u8 n_gen1_para;
@@ -1048,13 +1048,13 @@ struct rtw_chip_info {

/* init values */
u8 sys_func_en;
- struct rtw_pwr_seq_cmd **pwr_on_seq;
- struct rtw_pwr_seq_cmd **pwr_off_seq;
- struct rtw_rqpn *rqpn_table;
- struct rtw_page_table *page_table;
- struct rtw_intf_phy_para_table *intf_table;
+ const struct rtw_pwr_seq_cmd **pwr_on_seq;
+ const struct rtw_pwr_seq_cmd **pwr_off_seq;
+ const struct rtw_rqpn *rqpn_table;
+ const struct rtw_page_table *page_table;
+ const struct rtw_intf_phy_para_table *intf_table;

- struct rtw_hw_reg *dig;
+ const struct rtw_hw_reg *dig;
u32 rf_base_addr[2];
u32 rf_sipi_addr[2];

@@ -1500,7 +1500,7 @@ struct rtw_fifo_conf {
u16 rsvd_cpu_instr_addr;
u16 rsvd_fw_txbuf_addr;
u16 rsvd_csibuf_addr;
- struct rtw_rqpn *rqpn;
+ const struct rtw_rqpn *rqpn;
};

struct rtw_fw_state {
diff --git a/drivers/net/wireless/realtek/rtw88/pci.c b/drivers/net/wireless/realtek/rtw88/pci.c
index 1fbc14..82b1f86 100644
--- a/drivers/net/wireless/realtek/rtw88/pci.c
+++ b/drivers/net/wireless/realtek/rtw88/pci.c
@@ -1248,7 +1248,7 @@ static void rtw_pci_interface_cfg(struct rtw_dev *rtwdev)
static void rtw_pci_phy_cfg(struct rtw_dev *rtwdev)
{
struct rtw_chip_info *chip = rtwdev->chip;
- struct rtw_intf_phy_para *para;
+ const struct rtw_intf_phy_para *para;
u16 cut;
u16 value;
u16 offset;
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822b.c b/drivers/net/wireless/realtek/rtw88/rtw8822b.c
index 4bc14b..ded1e9f 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8822b.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822b.c
@@ -1543,7 +1543,7 @@ static void rtw8822b_bf_config_bfee(struct rtw_dev *rtwdev, struct rtw_vif *vif,
rtw_warn(rtwdev, "wrong bfee role\n");
}

-static struct rtw_pwr_seq_cmd trans_carddis_to_cardemu_8822b[] = {
+static const struct rtw_pwr_seq_cmd trans_carddis_to_cardemu_8822b[] = {
{0x0086,
RTW_PWR_CUT_ALL_MSK,
RTW_PWR_INTF_SDIO_MSK,
@@ -1581,7 +1581,7 @@ static struct rtw_pwr_seq_cmd trans_carddis_to_cardemu_8822b[] = {
RTW_PWR_CMD_END, 0, 0},
};

-static struct rtw_pwr_seq_cmd trans_cardemu_to_act_8822b[] = {
+static const struct rtw_pwr_seq_cmd trans_cardemu_to_act_8822b[] = {
{0x0012,
RTW_PWR_CUT_ALL_MSK,
RTW_PWR_INTF_ALL_MSK,
@@ -1714,7 +1714,7 @@ static struct rtw_pwr_seq_cmd trans_cardemu_to_act_8822b[] = {
RTW_PWR_CMD_END, 0, 0},
};

-static struct rtw_pwr_seq_cmd trans_act_to_cardemu_8822b[] = {
+static const struct rtw_pwr_seq_cmd trans_act_to_cardemu_8822b[] = {
{0x0003,
RTW_PWR_CUT_ALL_MSK,
RTW_PWR_INTF_SDIO_MSK,
@@ -1787,7 +1787,7 @@ static struct rtw_pwr_seq_cmd trans_act_to_cardemu_8822b[] = {
RTW_PWR_CMD_END, 0, 0},
};

-static struct rtw_pwr_seq_cmd trans_cardemu_to_carddis_8822b[] = {
+static const struct rtw_pwr_seq_cmd trans_cardemu_to_carddis_8822b[] = {
{0x0005,
RTW_PWR_CUT_ALL_MSK,
RTW_PWR_INTF_SDIO_MSK,
@@ -1905,26 +1905,26 @@ static struct rtw_pwr_seq_cmd trans_cardemu_to_carddis_8822b[] = {
RTW_PWR_CMD_END, 0, 0},
};

-static struct rtw_pwr_seq_cmd *card_enable_flow_8822b[] = {
+static const struct rtw_pwr_seq_cmd *card_enable_flow_8822b[] = {
trans_carddis_to_cardemu_8822b,
trans_cardemu_to_act_8822b,
NULL
};

-static struct rtw_pwr_seq_cmd *card_disable_flow_8822b[] = {
+static const struct rtw_pwr_seq_cmd *card_disable_flow_8822b[] = {
trans_act_to_cardemu_8822b,
trans_cardemu_to_carddis_8822b,
NULL
};

-static struct rtw_intf_phy_para usb2_param_8822b[] = {
+static const struct rtw_intf_phy_para usb2_param_8822b[] = {
{0xFFFF, 0x00,
RTW_IP_SEL_PHY,
RTW_INTF_PHY_CUT_ALL,
RTW_INTF_PHY_PLATFORM_ALL},
};

-static struct rtw_intf_phy_para usb3_param_8822b[] = {
+static const struct rtw_intf_phy_para usb3_param_8822b[] = {
{0x0001, 0xA841,
RTW_IP_SEL_PHY,
RTW_INTF_PHY_CUT_D,
@@ -1935,7 +1935,7 @@ static struct rtw_intf_phy_para usb3_param_8822b[] = {
RTW_INTF_PHY_PLATFORM_ALL},
};

-static struct rtw_intf_phy_para pcie_gen1_param_8822b[] = {
+static const struct rtw_intf_phy_para pcie_gen1_param_8822b[] = {
{0x0001, 0xA841,
RTW_IP_SEL_PHY,
RTW_INTF_PHY_CUT_C,
@@ -1982,7 +1982,7 @@ static struct rtw_intf_phy_para pcie_gen1_param_8822b[] = {
RTW_INTF_PHY_PLATFORM_ALL},
};

-static struct rtw_intf_phy_para pcie_gen2_param_8822b[] = {
+static const struct rtw_intf_phy_para pcie_gen2_param_8822b[] = {
{0x0001, 0xA841,
RTW_IP_SEL_PHY,
RTW_INTF_PHY_CUT_C,
@@ -2029,7 +2029,7 @@ static struct rtw_intf_phy_para pcie_gen2_param_8822b[] = {
RTW_INTF_PHY_PLATFORM_ALL},
};

-static struct rtw_intf_phy_para_table phy_para_table_8822b = {
+static const struct rtw_intf_phy_para_table phy_para_table_8822b = {
.usb2_para = usb2_param_8822b,
.usb3_para = usb3_param_8822b,
.gen1_para = pcie_gen1_param_8822b,
@@ -2046,12 +2046,12 @@ static const struct rtw_rfe_def rtw8822b_rfe_defs[] = {
[5] = RTW_DEF_RFE(8822b, 5, 5),
};

-static struct rtw_hw_reg rtw8822b_dig[] = {
+static const struct rtw_hw_reg rtw8822b_dig[] = {
[0] = { .addr = 0xc50, .mask = 0x7f },
[1] = { .addr = 0xe50, .mask = 0x7f },
};

-static struct rtw_page_table page_table_8822b[] = {
+static const struct rtw_page_table page_table_8822b[] = {
{64, 64, 64, 64, 1},
{64, 64, 64, 64, 1},
{64, 64, 0, 0, 1},
@@ -2059,7 +2059,7 @@ static struct rtw_page_table page_table_8822b[] = {
{64, 64, 64, 64, 1},
};

-static struct rtw_rqpn rqpn_table_8822b[] = {
+static const struct rtw_rqpn rqpn_table_8822b[] = {
{RTW_DMA_MAPPING_NORMAL, RTW_DMA_MAPPING_NORMAL,
RTW_DMA_MAPPING_LOW, RTW_DMA_MAPPING_LOW,
RTW_DMA_MAPPING_EXTRA, RTW_DMA_MAPPING_HIGH},
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.c b/drivers/net/wireless/realtek/rtw88/rtw8822c.c
index 386509..5b2f594 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c
@@ -3399,7 +3399,7 @@ static void rtw8822c_pwr_track(struct rtw_dev *rtwdev)
dm_info->pwr_trk_triggered = false;
}

-static struct rtw_pwr_seq_cmd trans_carddis_to_cardemu_8822c[] = {
+static const struct rtw_pwr_seq_cmd trans_carddis_to_cardemu_8822c[] = {
{0x0086,
RTW_PWR_CUT_ALL_MSK,
RTW_PWR_INTF_SDIO_MSK,
@@ -3442,7 +3442,7 @@ static struct rtw_pwr_seq_cmd trans_carddis_to_cardemu_8822c[] = {
RTW_PWR_CMD_END, 0, 0},
};

-static struct rtw_pwr_seq_cmd trans_cardemu_to_act_8822c[] = {
+static const struct rtw_pwr_seq_cmd trans_cardemu_to_act_8822c[] = {
{0x0000,
RTW_PWR_CUT_ALL_MSK,
RTW_PWR_INTF_USB_MSK | RTW_PWR_INTF_SDIO_MSK,
@@ -3551,7 +3551,7 @@ static struct rtw_pwr_seq_cmd trans_cardemu_to_act_8822c[] = {
RTW_PWR_CMD_END, 0, 0},
};

-static struct rtw_pwr_seq_cmd trans_act_to_cardemu_8822c[] = {
+static const struct rtw_pwr_seq_cmd trans_act_to_cardemu_8822c[] = {
{0x0093,
RTW_PWR_CUT_ALL_MSK,
RTW_PWR_INTF_ALL_MSK,
@@ -3614,7 +3614,7 @@ static struct rtw_pwr_seq_cmd trans_act_to_cardemu_8822c[] = {
RTW_PWR_CMD_END, 0, 0},
};

-static struct rtw_pwr_seq_cmd trans_cardemu_to_carddis_8822c[] = {
+static const struct rtw_pwr_seq_cmd trans_cardemu_to_carddis_8822c[] = {
{0x0005,
RTW_PWR_CUT_ALL_MSK,
RTW_PWR_INTF_SDIO_MSK,
@@ -3677,47 +3677,47 @@ static struct rtw_pwr_seq_cmd trans_cardemu_to_carddis_8822c[] = {
RTW_PWR_CMD_END, 0, 0},
};

-static struct rtw_pwr_seq_cmd *card_enable_flow_8822c[] = {
+static const struct rtw_pwr_seq_cmd *card_enable_flow_8822c[] = {
trans_carddis_to_cardemu_8822c,
trans_cardemu_to_act_8822c,
NULL
};

-static struct rtw_pwr_seq_cmd *card_disable_flow_8822c[] = {
+static const struct rtw_pwr_seq_cmd *card_disable_flow_8822c[] = {
trans_act_to_cardemu_8822c,
trans_cardemu_to_carddis_8822c,
NULL
};

-static struct rtw_intf_phy_para usb2_param_8822c[] = {
+static const struct rtw_intf_phy_para usb2_param_8822c[] = {
{0xFFFF, 0x00,
RTW_IP_SEL_PHY,
RTW_INTF_PHY_CUT_ALL,
RTW_INTF_PHY_PLATFORM_ALL},
};

-static struct rtw_intf_phy_para usb3_param_8822c[] = {
+static const struct rtw_intf_phy_para usb3_param_8822c[] = {
{0xFFFF, 0x0000,
RTW_IP_SEL_PHY,
RTW_INTF_PHY_CUT_ALL,
RTW_INTF_PHY_PLATFORM_ALL},
};

-static struct rtw_intf_phy_para pcie_gen1_param_8822c[] = {
+static const struct rtw_intf_phy_para pcie_gen1_param_8822c[] = {
{0xFFFF, 0x0000,
RTW_IP_SEL_PHY,
RTW_INTF_PHY_CUT_ALL,
RTW_INTF_PHY_PLATFORM_ALL},
};

-static struct rtw_intf_phy_para pcie_gen2_param_8822c[] = {
+static const struct rtw_intf_phy_para pcie_gen2_param_8822c[] = {
{0xFFFF, 0x0000,
RTW_IP_SEL_PHY,
RTW_INTF_PHY_CUT_ALL,
RTW_INTF_PHY_PLATFORM_ALL},
};

-static struct rtw_intf_phy_para_table phy_para_table_8822c = {
+static const struct rtw_intf_phy_para_table phy_para_table_8822c = {
.usb2_para = usb2_param_8822c,
.usb3_para = usb3_param_8822c,
.gen1_para = pcie_gen1_param_8822c,
@@ -3734,12 +3734,12 @@ static const struct rtw_rfe_def rtw8822c_rfe_defs[] = {
[2] = RTW_DEF_RFE(8822c, 0, 0),
};

-static struct rtw_hw_reg rtw8822c_dig[] = {
+static const struct rtw_hw_reg rtw8822c_dig[] = {
[0] = { .addr = 0x1d70, .mask = 0x7f },
[1] = { .addr = 0x1d70, .mask = 0x7f00 },
};

-static struct rtw_page_table page_table_8822c[] = {
+static const struct rtw_page_table page_table_8822c[] = {
{64, 64, 64, 64, 1},
{64, 64, 64, 64, 1},
{64, 64, 0, 0, 1},
@@ -3747,7 +3747,7 @@ static struct rtw_page_table page_table_8822c[] = {
{64, 64, 64, 64, 1},
};

-static struct rtw_rqpn rqpn_table_8822c[] = {
+static const struct rtw_rqpn rqpn_table_8822c[] = {
{RTW_DMA_MAPPING_NORMAL, RTW_DMA_MAPPING_NORMAL,
RTW_DMA_MAPPING_LOW, RTW_DMA_MAPPING_LOW,
RTW_DMA_MAPPING_EXTRA, RTW_DMA_MAPPING_HIGH},