/* * udbg interface to hvc_console.c * * (C) Copyright David Gibson, IBM Corporation 2008. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #include #include #include #include "hvc_console.h" struct hvc_struct *hvc_udbg_dev; static int hvc_udbg_put(uint32_t vtermno, const char *buf, int count) { int i; for (i = 0; i < count && udbg_putc; i++) udbg_putc(buf[i]); return i; } static int hvc_udbg_get(uint32_t vtermno, char *buf, int count) { int i, c; if (!udbg_getc_poll) return 0; for (i = 0; i < count; i++) { if ((c = udbg_getc_poll()) == -1) break; buf[i] = c; } return i; } static const struct hv_ops hvc_udbg_ops = { .get_chars = hvc_udbg_get, .put_chars = hvc_udbg_put, }; static int __init hvc_udbg_init(void) { struct hvc_struct *hp; if (!udbg_putc) return -ENODEV; BUG_ON(hvc_udbg_dev); hp = hvc_alloc(0, 0, &hvc_udbg_ops, 16); if (IS_ERR(hp)) return PTR_ERR(hp); hvc_udbg_dev = hp; return 0; } device_initcall(hvc_udbg_init); static int __init hvc_udbg_console_init(void) { if (!udbg_putc) return -ENODEV; hvc_instantiate(0, 0, &hvc_udbg_ops); add_preferred_console("hvc", 0, NULL); return 0; } console_initcall(hvc_udbg_console_init); e2dc818b0e2b3c69ea3d3fefcbc8c709b'>commitdiff
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authorLinus Torvalds <torvalds@linux-foundation.org>2017-01-28 15:09:23 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-01-28 15:09:23 -0800
commit53cd1ad1a68fd10f677445e04ed63aa9ce39b36b (patch)
treec3401d2cbce4615b9a4e1d2bc060e8a310321eaa /drivers/usb/gadget/udc/r8a66597-udc.c
parentd56a5ca366e785f463b4782f65daac883612a2b2 (diff)
parente13fe92bb58cf9b8f709ec18267ffc9e6ffeb016 (diff)
Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang: "Two I2C driver bugfixes. The 'VLLS mode support' patch should have been entitled 'reconfigure pinctrl after suspend' to make the bugfix more clear. Sorry, I missed that, yet didn't want to rebase" * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: imx-lpi2c: add VLLS mode support i2c: i2c-cadence: Initialize configuration before probing devices
Diffstat (limited to 'drivers/usb/gadget/udc/r8a66597-udc.c')