Commit 943104f0 authored by Simon Glass's avatar Simon Glass
Browse files

dm: usb: tegra: Remove the port_addr_clear_csc variable



This variable is a bit of a hack. We can obtain the same information from
the normal device config. This will fit better with driver model, where
global variables are best avoided.
Signed-off-by: default avatarSimon Glass <sjg@chromium.org>
Reviewed-by: default avatarMarek Vasut <marex@denx.de>
parent aae04d07
...@@ -87,8 +87,6 @@ struct fdt_usb { ...@@ -87,8 +87,6 @@ struct fdt_usb {
static struct fdt_usb port[USB_PORTS_MAX]; /* List of valid USB ports */ static struct fdt_usb port[USB_PORTS_MAX]; /* List of valid USB ports */
static unsigned port_count; /* Number of available ports */ static unsigned port_count; /* Number of available ports */
/* Port that needs to clear CSC after Port Reset */
static u32 port_addr_clear_csc;
/* /*
* This table has USB timing parameters for each Oscillator frequency we * This table has USB timing parameters for each Oscillator frequency we
...@@ -206,7 +204,7 @@ static void tegra_ehci_powerup_fixup(struct ehci_ctrl *ctrl, ...@@ -206,7 +204,7 @@ static void tegra_ehci_powerup_fixup(struct ehci_ctrl *ctrl,
if (controller->has_hostpc) if (controller->has_hostpc)
*reg |= EHCI_PS_PE; *reg |= EHCI_PS_PE;
if (((unsigned long)status_reg & TEGRA_USB_ADDR_MASK) != port_addr_clear_csc) if (!config->has_legacy_mode)
return; return;
/* For EHCI_PS_CSC to be cleared in ehci_hcd.c */ /* For EHCI_PS_CSC to be cleared in ehci_hcd.c */
if (ehci_readl(status_reg) & EHCI_PS_CSC) if (ehci_readl(status_reg) & EHCI_PS_CSC)
...@@ -683,8 +681,6 @@ static int fdt_decode_usb(const void *blob, int node, struct fdt_usb *config) ...@@ -683,8 +681,6 @@ static int fdt_decode_usb(const void *blob, int node, struct fdt_usb *config)
config->enabled = fdtdec_get_is_enabled(blob, node); config->enabled = fdtdec_get_is_enabled(blob, node);
config->has_legacy_mode = fdtdec_get_bool(blob, node, config->has_legacy_mode = fdtdec_get_bool(blob, node,
"nvidia,has-legacy-mode"); "nvidia,has-legacy-mode");
if (config->has_legacy_mode)
port_addr_clear_csc = (unsigned long)config->reg;
config->periph_id = clock_decode_periph_id(blob, node); config->periph_id = clock_decode_periph_id(blob, node);
if (config->periph_id == PERIPH_ID_NONE) { if (config->periph_id == PERIPH_ID_NONE) {
debug("%s: Missing/invalid peripheral ID\n", __func__); debug("%s: Missing/invalid peripheral ID\n", __func__);
......
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