#include #include #include #include #include #include #include #include "phy-am335x-control.h" struct am335x_control_usb { struct device *dev; void __iomem *phy_reg; void __iomem *wkup; spinlock_t lock; struct phy_control phy_ctrl; }; #define AM335X_USB0_CTRL 0x0 #define AM335X_USB1_CTRL 0x8 #define AM335x_USB_WKUP 0x0 #define USBPHY_CM_PWRDN (1 << 0) #define USBPHY_OTG_PWRDN (1 << 1) #define USBPHY_OTGVDET_EN (1 << 19) #define USBPHY_OTGSESSEND_EN (1 << 20) #define AM335X_PHY0_WK_EN (1 << 0) #define AM335X_PHY1_WK_EN (1 << 8) static void am335x_phy_wkup(struct phy_control *phy_ctrl, u32 id, bool on) { struct am335x_control_usb *usb_ctrl; u32 val; u32 reg; usb_ctrl = container_of(phy_ctrl, struct am335x_control_usb, phy_ctrl); switch (id) { case 0: reg = AM335X_PHY0_WK_EN; break; case 1: reg = AM335X_PHY1_WK_EN; break; default: WARN_ON(1); return; } spin_lock(&usb_ctrl->lock); val = readl(usb_ctrl->wkup); if (on) val |= reg; else val &= ~reg; writel(val, usb_ctrl->wkup); spin_unlock(&usb_ctrl->lock); } static void am335x_phy_power(struct phy_control *phy_ctrl, u32 id, enum usb_dr_mode dr_mode, bool on) { struct am335x_control_usb *usb_ctrl; u32 val; u32 reg; usb_ctrl = container_of(phy_ctrl, struct am335x_control_usb, phy_ctrl); switch (id) { case 0: reg = AM335X_USB0_CTRL; break; case 1: reg = AM335X_USB1_CTRL; break; default: WARN_ON(1); return; } val = readl(usb_ctrl->phy_reg + reg); if (on) { if (dr_mode == USB_DR_MODE_HOST) { val &= ~(USBPHY_CM_PWRDN | USBPHY_OTG_PWRDN | USBPHY_OTGVDET_EN); val |= USBPHY_OTGSESSEND_EN; } else { val &= ~(USBPHY_CM_PWRDN | USBPHY_OTG_PWRDN); val |= USBPHY_OTGVDET_EN | USBPHY_OTGSESSEND_EN; } } else { val |= USBPHY_CM_PWRDN | USBPHY_OTG_PWRDN; } writel(val, usb_ctrl->phy_reg + reg); /* * Give the PHY ~1ms to complete the power up operation. * Tests have shown unstable behaviour if other USB PHY related * registers are written too shortly after such a transition. */ if (on) mdelay(1); } static const struct phy_control ctrl_am335x = { .phy_power = am335x_phy_power, .phy_wkup = am335x_phy_wkup, }; static const struct of_device_id omap_control_usb_id_table[] = { { .compatible = "ti,am335x-usb-ctrl-module", .data = &ctrl_am335x }, {} }; MODULE_DEVICE_TABLE(of, omap_control_usb_id_table); static struct platform_driver am335x_control_driver; static int match(struct device *dev, void *data) { struct device_node *node = (struct device_node *)data; return dev->of_node == node && dev->driver == &am335x_control_driver.driver; } struct phy_control *am335x_get_phy_control(struct device *dev) { struct device_node *node; struct am335x_control_usb *ctrl_usb; node = of_parse_phandle(dev->of_node, "ti,ctrl_mod", 0); if (!node) return NULL; dev = bus_find_device(&platform_bus_type, NULL, node, match); of_node_put(node); if (!dev) return NULL; ctrl_usb = dev_get_drvdata(dev); put_device(dev); if (!ctrl_usb) return NULL; return &ctrl_usb->phy_ctrl; } EXPORT_SYMBOL_GPL(am335x_get_phy_control); static int am335x_control_usb_probe(struct platform_device *pdev) { struct resource *res; struct am335x_control_usb *ctrl_usb; const struct of_device_id *of_id; const struct phy_control *phy_ctrl; of_id = of_match_node(omap_control_usb_id_table, pdev->dev.of_node); if (!of_id) return -EINVAL; phy_ctrl = of_id->data; ctrl_usb = devm_kzalloc(&pdev->dev, sizeof(*ctrl_usb), GFP_KERNEL); if (!ctrl_usb) return -ENOMEM; ctrl_usb->dev = &pdev->dev; res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "phy_ctrl"); ctrl_usb->phy_reg = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(ctrl_usb->phy_reg)) return PTR_ERR(ctrl_usb->phy_reg); res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "wakeup"); ctrl_usb->wkup = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(ctrl_usb->wkup)) return PTR_ERR(ctrl_usb->wkup); spin_lock_init(&ctrl_usb->lock); ctrl_usb->phy_ctrl = *phy_ctrl; dev_set_drvdata(ctrl_usb->dev, ctrl_usb); return 0; } static struct platform_driver am335x_control_driver = { .probe = am335x_control_usb_probe, .driver = { .name = "am335x-control-usb", .of_match_table = omap_control_usb_id_table, }, }; module_platform_driver(am335x_control_driver); MODULE_LICENSE("GPL v2"); option value='1'>ssdiff
authorArd Biesheuvel <ard.biesheuvel@linaro.org>2017-01-17 13:46:29 +0000
committerHerbert Xu <herbert@gondor.apana.org.au>2017-01-23 22:41:33 +0800
commit11e3b725cfc282efe9d4a354153e99d86a16af08 (patch)
tree8b5b9e0e1bcae1ab98ee652ffb7b13b05c209bd6 /net/ceph/crush/crush_ln_table.h
parentd6040764adcb5cb6de1489422411d701c158bb69 (diff)
crypto: arm64/aes-blk - honour iv_out requirement in CBC and CTR modes
Update the ARMv8 Crypto Extensions and the plain NEON AES implementations in CBC and CTR modes to return the next IV back to the skcipher API client. This is necessary for chaining to work correctly. Note that for CTR, this is only done if the request is a round multiple of the block size, since otherwise, chaining is impossible anyway. Cc: <stable@vger.kernel.org> # v3.16+ Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'net/ceph/crush/crush_ln_table.h')