9a3d3f4a178e1c995f986096977acc2d9c72967e
[openwrt/staging/mkresin.git] /
1 From d408e9c29dd580cb94e39da2b0eef81061d22061 Mon Sep 17 00:00:00 2001
2 From: Ran Wang <ran.wang_1@nxp.com>
3 Date: Thu, 19 Dec 2019 17:02:36 +0800
4 Subject: [PATCH] LF-387-1 Revert "usb: dwc3: Add cache type configuration
5 support"
6
7 This reverts commit ebceaf435cc96892d22b334b2a6517374c0d6a6e.
8 Will use next version patch to replace this.
9
10 Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
11 ---
12 drivers/usb/dwc3/core.c | 61 +++++--------------------------------------------
13 drivers/usb/dwc3/core.h | 15 ------------
14 2 files changed, 6 insertions(+), 70 deletions(-)
15
16 --- a/drivers/usb/dwc3/core.c
17 +++ b/drivers/usb/dwc3/core.c
18 @@ -919,54 +919,6 @@ static void dwc3_set_power_down_clk_scal
19 dwc3_writel(dwc->regs, DWC3_GCTL, reg);
20 }
21
22 -#ifdef CONFIG_OF
23 -struct dwc3_cache_type {
24 - u8 transfer_type_datard;
25 - u8 transfer_type_descrd;
26 - u8 transfer_type_datawr;
27 - u8 transfer_type_descwr;
28 -};
29 -
30 -static const struct dwc3_cache_type layerscape_dwc3_cache_type = {
31 - .transfer_type_datard = 2,
32 - .transfer_type_descrd = 2,
33 - .transfer_type_datawr = 2,
34 - .transfer_type_descwr = 2,
35 -};
36 -
37 -/**
38 - * dwc3_set_cache_type - Configure cache type registers
39 - * @dwc: Pointer to our controller context structure
40 - */
41 -static void dwc3_set_cache_type(struct dwc3 *dwc)
42 -{
43 - u32 tmp, reg;
44 - const struct dwc3_cache_type *cache_type =
45 - device_get_match_data(dwc->dev);
46 -
47 - if (cache_type) {
48 - reg = dwc3_readl(dwc->regs, DWC3_GSBUSCFG0);
49 - tmp = reg;
50 -
51 - reg &= ~DWC3_GSBUSCFG0_DATARD(~0);
52 - reg |= DWC3_GSBUSCFG0_DATARD(cache_type->transfer_type_datard);
53 -
54 - reg &= ~DWC3_GSBUSCFG0_DESCRD(~0);
55 - reg |= DWC3_GSBUSCFG0_DESCRD(cache_type->transfer_type_descrd);
56 -
57 - reg &= ~DWC3_GSBUSCFG0_DATAWR(~0);
58 - reg |= DWC3_GSBUSCFG0_DATAWR(cache_type->transfer_type_datawr);
59 -
60 - reg &= ~DWC3_GSBUSCFG0_DESCWR(~0);
61 - reg |= DWC3_GSBUSCFG0_DESCWR(cache_type->transfer_type_descwr);
62 -
63 - if (tmp != reg)
64 - dwc3_writel(dwc->regs, DWC3_GSBUSCFG0, reg);
65 - }
66 -}
67 -#endif
68 -
69 -
70 /**
71 * dwc3_core_init - Low-level initialization of DWC3 Core
72 * @dwc: Pointer to our controller context structure
73 @@ -1027,10 +979,6 @@ static int dwc3_core_init(struct dwc3 *d
74
75 dwc3_set_incr_burst_type(dwc);
76
77 -#ifdef CONFIG_OF
78 - dwc3_set_cache_type(dwc);
79 -#endif
80 -
81 usb_phy_set_suspend(dwc->usb2_phy, 0);
82 usb_phy_set_suspend(dwc->usb3_phy, 0);
83 ret = phy_power_on(dwc->usb2_generic_phy);
84 @@ -1984,9 +1932,12 @@ static const struct dev_pm_ops dwc3_dev_
85
86 #ifdef CONFIG_OF
87 static const struct of_device_id of_dwc3_match[] = {
88 - { .compatible = "fsl,layerscape-dwc3", .data = &layerscape_dwc3_cache_type, },
89 - { .compatible = "snps,dwc3" },
90 - { .compatible = "synopsys,dwc3" },
91 + {
92 + .compatible = "snps,dwc3"
93 + },
94 + {
95 + .compatible = "synopsys,dwc3"
96 + },
97 { },
98 };
99 MODULE_DEVICE_TABLE(of, of_dwc3_match);
100 --- a/drivers/usb/dwc3/core.h
101 +++ b/drivers/usb/dwc3/core.h
102 @@ -167,21 +167,6 @@
103 /* Bit fields */
104
105 /* Global SoC Bus Configuration INCRx Register 0 */
106 -#ifdef CONFIG_OF
107 -#define DWC3_GSBUSCFG0_DATARD_SHIFT 28
108 -#define DWC3_GSBUSCFG0_DATARD(n) (((n) & 0xf) \
109 - << DWC3_GSBUSCFG0_DATARD_SHIFT)
110 -#define DWC3_GSBUSCFG0_DESCRD_SHIFT 24
111 -#define DWC3_GSBUSCFG0_DESCRD(n) (((n) & 0xf) \
112 - << DWC3_GSBUSCFG0_DESCRD_SHIFT)
113 -#define DWC3_GSBUSCFG0_DATAWR_SHIFT 20
114 -#define DWC3_GSBUSCFG0_DATAWR(n) (((n) & 0xf) \
115 - << DWC3_GSBUSCFG0_DATAWR_SHIFT)
116 -#define DWC3_GSBUSCFG0_DESCWR_SHIFT 16
117 -#define DWC3_GSBUSCFG0_DESCWR(n) (((n) & 0xf) \
118 - << DWC3_GSBUSCFG0_DESCWR_SHIFT)
119 -#endif
120 -
121 #define DWC3_GSBUSCFG0_INCR256BRSTENA (1 << 7) /* INCR256 burst */
122 #define DWC3_GSBUSCFG0_INCR128BRSTENA (1 << 6) /* INCR128 burst */
123 #define DWC3_GSBUSCFG0_INCR64BRSTENA (1 << 5) /* INCR64 burst */