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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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Merge master.kernel.org:/home/rmk/linux-2.6-serial
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commit
8546df6f35
@ -46,10 +46,8 @@
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#include <linux/udp.h>
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#ifdef CONFIG_SERIAL_8250
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#include <linux/serial.h>
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#include <asm/serial.h>
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#define IOC3_BAUD (22000000 / (3*16))
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#define IOC3_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
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#include <linux/serial_core.h>
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#include <linux/serial_8250.h>
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#endif
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#include <linux/netdevice.h>
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@ -1146,12 +1144,11 @@ static inline int ioc3_is_menet(struct pci_dev *pdev)
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* around ioc3 oddities in this respect.
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*
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* The IOC3 serials use a 22MHz clock rate with an additional divider by 3.
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* (IOC3_BAUD = (22000000 / (3*16)))
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*/
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static void __devinit ioc3_serial_probe(struct pci_dev *pdev, struct ioc3 *ioc3)
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{
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struct serial_struct req;
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struct uart_port port;
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/*
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* We need to recognice and treat the fourth MENET serial as it
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@ -1165,20 +1162,25 @@ static void __devinit ioc3_serial_probe(struct pci_dev *pdev, struct ioc3 *ioc3)
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if (ioc3_is_menet(pdev) && PCI_SLOT(pdev->devfn) == 3)
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return;
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/* Register to interrupt zero because we share the interrupt with
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the serial driver which we don't properly support yet. */
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memset(&req, 0, sizeof(req));
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req.irq = 0;
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req.flags = IOC3_COM_FLAGS;
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req.io_type = SERIAL_IO_MEM;
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req.iomem_reg_shift = 0;
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req.baud_base = IOC3_BAUD;
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/*
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* Register to interrupt zero because we share the interrupt with
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* the serial driver which we don't properly support yet.
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*
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* Can't use UPF_IOREMAP as the whole of IOC3 resources have already
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* been registered.
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*/
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memset(&port, 0, sizeof(port));
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port.irq = 0;
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port.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF;
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port.iotype = UPIO_MEM;
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port.regshift = 0;
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port.uartclk = 22000000 / 3;
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req.iomem_base = (unsigned char *) &ioc3->sregs.uarta;
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register_serial(&req);
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port.membase = (unsigned char *) &ioc3->sregs.uarta;
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serial8250_register_port(&port);
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req.iomem_base = (unsigned char *) &ioc3->sregs.uartb;
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register_serial(&req);
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port.membase = (unsigned char *) &ioc3->sregs.uartb;
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serial8250_register_port(&port);
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}
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#endif
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