diff options
Diffstat (limited to 'drivers/staging/ccree/ssi_pm_ext.c')
| -rw-r--r-- | drivers/staging/ccree/ssi_pm_ext.c | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/drivers/staging/ccree/ssi_pm_ext.c b/drivers/staging/ccree/ssi_pm_ext.c deleted file mode 100644 index f86bbab22073..000000000000 --- a/drivers/staging/ccree/ssi_pm_ext.c +++ /dev/null @@ -1,60 +0,0 @@ -/* - * Copyright (C) 2012-2017 ARM Limited or its affiliates. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * 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, see <http://www.gnu.org/licenses/>. - */ - - -#include "ssi_config.h" -#include <linux/kernel.h> -#include <linux/platform_device.h> -#include <linux/interrupt.h> -#include <crypto/ctr.h> -#include <linux/pm_runtime.h> -#include "ssi_driver.h" -#include "ssi_sram_mgr.h" -#include "ssi_pm_ext.h" - -/* -This function should suspend the HW (if possiable), It should be implemented by -the driver user. -The reference code clears the internal SRAM to imitate lose of state. -*/ -void ssi_pm_ext_hw_suspend(struct device *dev) -{ - struct ssi_drvdata *drvdata = - (struct ssi_drvdata *)dev_get_drvdata(dev); - unsigned int val; - void __iomem *cc_base = drvdata->cc_base; - unsigned int sram_addr = 0; - - CC_HAL_WRITE_REGISTER(CC_REG_OFFSET(HOST_RGF, SRAM_ADDR), sram_addr); - - for (;sram_addr < SSI_CC_SRAM_SIZE ; sram_addr+=4) { - CC_HAL_WRITE_REGISTER(CC_REG_OFFSET(HOST_RGF, SRAM_DATA), 0x0); - - do { - val = CC_HAL_READ_REGISTER(CC_REG_OFFSET(HOST_RGF, SRAM_DATA_READY)); - } while (!(val &0x1)); - } -} - -/* -This function should resume the HW (if possiable).It should be implemented by -the driver user. -*/ -void ssi_pm_ext_hw_resume(struct device *dev) -{ - return; -} - |