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openwrt/package/kernel/lantiq/ltq-vdsl-vr9-mei/patches/100-compat.patch
Martin Blumenstingl f4ce7df4fc kernel: ltq-vdsl-vr9-mei: Fix compilation with Linux 5.15 
The result of copy_to_user() now has to be checked explicitly. Also
MODULE_SUPPORTED_DEVICE is gone after Linux 5.10.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
2022-10-22 19:44:45 +02:00

473 lines
13 KiB
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--- a/src/drv_mei_cpe_common.c
+++ b/src/drv_mei_cpe_common.c
@@ -19,7 +19,6 @@
/* get at first the driver configuration */
#include "drv_mei_cpe_config.h"
-#include "ifx_types.h"
#include "drv_mei_cpe_os.h"
#include "drv_mei_cpe_dbg.h"
--- a/src/drv_mei_cpe_linux.h
+++ b/src/drv_mei_cpe_linux.h
@@ -60,12 +60,6 @@
#include <linux/poll.h>
#include <linux/types.h>
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,10,0))
- #include <asm/ifx/ifx_types.h>
-#else
- #include <ifx_types.h>
-#endif
-
#endif /* #if (MEI_DRV_IFXOS_ENABLE == 0)*/
#include <linux/dma-mapping.h>
--- a/src/drv_mei_cpe_linux.c
+++ b/src/drv_mei_cpe_linux.c
@@ -114,6 +114,8 @@
#include "drv_mei_cpe_api_atm_ptm_intern.h"
+#include <lantiq_soc.h>
+
/* ===================================
extern function declarations
=================================== */
@@ -220,6 +222,8 @@ static void MEI_NlSendMsg(IFX_char_t* pM
/* Local variables (LINUX) */
/* =================================== */
static IFX_uint8_t major_number = 0;
+static struct class *mei_class;
+static dev_t mei_devt;
#ifdef MODULE
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0))
MODULE_PARM(major_number, "b");
@@ -1256,7 +1260,9 @@ static long MEI_Ioctl( struct file *filp
MEI_IOCTL_RETURN:
local_args.drv_ioctl.retCode = ret;
- copy_to_user( ((IOCTL_MEI_arg_t *)nArgument), &local_args, retSize);
+ if ( ret == IFX_SUCCESS &&
+ copy_to_user( ((IOCTL_MEI_arg_t *)nArgument), &local_args, retSize) )
+ ret = -e_MEI_ERR_RETURN_ARG;
return (ret < 0) ? -1 : 0;
}
@@ -1479,7 +1485,11 @@ struct proc_entry {
char name[32];
proc_rd_callback_t rd;
proc_wr_callback_t wr;
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5,6,0))
struct file_operations ops;
+#else
+ struct proc_ops ops;
+#endif
int entity;
};
@@ -1869,6 +1879,7 @@ static int mei_proc_single_open(struct i
static void mei_proc_entry_create(struct proc_dir_entry *parent_node,
struct proc_entry *proc_entry)
{
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5,6,0))
memset(&proc_entry->ops, 0, sizeof(struct file_operations));
proc_entry->ops.owner = THIS_MODULE;
@@ -1879,6 +1890,17 @@ static void mei_proc_entry_create(struct
proc_entry->ops.llseek = seq_lseek;
if (proc_entry->wr)
proc_entry->ops.write = proc_entry->wr;
+#else
+ memset(&proc_entry->ops, 0, sizeof(struct proc_ops));
+
+ proc_entry->ops.proc_open = mei_proc_single_open;
+ proc_entry->ops.proc_release = single_release;
+
+ proc_entry->ops.proc_read = seq_read;
+ proc_entry->ops.proc_lseek = seq_lseek;
+ if (proc_entry->wr)
+ proc_entry->ops.proc_write = proc_entry->wr;
+#endif
proc_create_data(proc_entry->name,
(S_IFREG | S_IRUGO),
@@ -2174,9 +2196,11 @@ static int MEI_module_init (void)
return (result);
}
+#if 0
#if (MEI_DRV_ATM_PTM_INTERFACE_ENABLE == 1)
ppa_callback_set(LTQ_MEI_SHOWTIME_CHECK, (void *)ltq_mei_showtime_check);
#endif /* #if (MEI_DRV_ATM_PTM_INTERFACE_ENABLE == 1) */
+#endif
return 0;
}
@@ -2304,6 +2328,10 @@ static void MEI_module_exit (void)
#else
unregister_chrdev ( major_number , DRV_MEI_NAME );
+ device_destroy(mei_class, mei_devt);
+ mei_devt = 0;
+ class_destroy(mei_class);
+ mei_class = NULL;
#endif
#if CONFIG_PROC_FS
@@ -2388,9 +2416,11 @@ static void MEI_module_exit (void)
("MEI_DRV: Chipset Basic Exit failed" MEI_DRV_CRLF));
}
+#if 0
#if (MEI_DRV_ATM_PTM_INTERFACE_ENABLE == 1)
ppa_callback_set(LTQ_MEI_SHOWTIME_CHECK, (void *)NULL);
#endif /* #if (MEI_DRV_ATM_PTM_INTERFACE_ENABLE == 1) */
+#endif
#if (MEI_SUPPORT_DEBUG_LOGGER == 1)
if (nl_debug_sock)
@@ -2514,6 +2544,10 @@ static int MEI_InitModuleRegCharDev(cons
("Using major number %d" MEI_DRV_CRLF, major_number));
}
+ mei_class = class_create(THIS_MODULE, devName);
+ mei_devt = MKDEV(major_number, 0);
+ device_create(mei_class, NULL, mei_devt, NULL, "%s/%i", devName, 0);
+
return 0;
#endif /* CONFIG_DEVFS_FS */
}
@@ -2563,21 +2597,32 @@ static int MEI_InitModuleBasics(void)
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0))
+
+#define PMU_DFE BIT(9)
+
static int MEI_SysClkEnable(struct clk *clk)
{
+#if 0
if (IS_ERR(clk))
return -1;
clk_enable(clk);
+#else
+ ltq_pmu_enable(PMU_DFE);
+#endif
return 0;
}
static int MEI_SysClkDisable(struct clk *clk)
{
+#if 0
if (IS_ERR(clk))
return -1;
clk_disable(clk);
clk_put(clk);
+#else
+ ltq_pmu_disable(PMU_DFE);
+#endif
return 0;
}
@@ -2905,11 +2950,15 @@ IFX_int32_t MEI_IoctlInitDevice(
pMeiDev->eModePoll = e_MEI_DEV_ACCESS_MODE_IRQ;
pMeiDev->intMask = ME_ARC2ME_INTERRUPT_UNMASK_ALL;
+#if 1
+ virq = (IFX_uint32_t)pInitDev->usedIRQ;
+#else
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,8,0))
virq = (IFX_uint32_t)pInitDev->usedIRQ;
#else
virq = irq_create_mapping(NULL, (IFX_uint32_t)pInitDev->usedIRQ);
#endif
+#endif
pTmpXCntrl = MEI_VrxXDevToIrqListAdd(
MEI_DRV_LINENUM_GET(pMeiDev),
@@ -3249,9 +3298,11 @@ static int MEI_IoctlMeiDbgAccessWr_Wrap(
ret = MEI_IoctlMeiDbgAccessWr( pMeiDynCntrl, pLocalArgument);
/* return arguments - count */
- copy_to_user( (void *)&pUserArgument->count,
- (void *)&pLocalArgument->count,
- sizeof(pUserArgument->count) ) ;
+ if ( ret == IFX_SUCCESS &&
+ copy_to_user( (void *)&pUserArgument->count,
+ (void *)&pLocalArgument->count,
+ sizeof(pUserArgument->count) ) )
+ ret = -e_MEI_ERR_RETURN_ARG;
return ret;
}
@@ -3278,16 +3329,18 @@ static int MEI_IoctlMeiDbgAccessRd_Wrap(
if ( pLocalArgument->count )
{
/* return the buffer */
- copy_to_user( pUserBuf,
- pLocalArgument->pData_32,
- pLocalArgument->count * sizeof(IFX_uint32_t) ) ;
+ if ( copy_to_user( pUserBuf,
+ pLocalArgument->pData_32,
+ pLocalArgument->count * sizeof(IFX_uint32_t) ) )
+ ret = -e_MEI_ERR_RETURN_ARG;
}
/* return count argument */
- copy_to_user( (void *)&pUserArgument->count,
- (void *)&pLocalArgument->count,
- sizeof(pUserArgument->count) ) ;
+ if ( copy_to_user( (void *)&pUserArgument->count,
+ (void *)&pLocalArgument->count,
+ sizeof(pUserArgument->count) ) )
+ ret = -e_MEI_ERR_RETURN_ARG;
return ret;
}
--- a/src/drv_mei_cpe_api_atm_ptm_intern.c
+++ b/src/drv_mei_cpe_api_atm_ptm_intern.c
@@ -147,6 +147,7 @@ IFX_int32_t MEI_InternalXtmSwhowtimeExit
return retVal;
}
+#if 0
IFX_int32_t MEI_InternalTcRequest(
MEI_DYN_CNTRL_T *pMeiDynCntrl,
MEI_TC_Request_t *pArgTcRequest)
@@ -232,6 +233,7 @@ IFX_int32_t MEI_InternalTcReset(
return retVal;
}
+#endif
/**
Function that is used by the PP subsystem to get some showtime relevant data
@@ -311,10 +313,57 @@ int ifx_mei_atm_led_blink(void)
return IFX_SUCCESS;
}
+#if MEI_MAX_DFE_CHAN_DEVICES > 1
+#error "Compat functions do not support MEI_MAX_DFE_CHAN_DEVICES > 1 yet"
+#else
+int (*ifx_mei_atm_showtime_enter)(struct port_cell_info *, void *) = NULL;
+int (*ifx_mei_atm_showtime_exit)(void) = NULL;
+
+int ltq_ifx_mei_atm_showtime_enter_compat(IFX_uint8_t dslLineNum,
+ struct port_cell_info *cellInfo,
+ void *xdata) {
+ if (ifx_mei_atm_showtime_enter)
+ return ifx_mei_atm_showtime_enter(cellInfo, xdata);
+
+ return -e_MEI_ERR_OP_FAILED;
+}
+
+int ltq_ifx_mei_atm_showtime_exit_compat(IFX_uint8_t dslLineNum) {
+ if (ifx_mei_atm_showtime_exit)
+ return ifx_mei_atm_showtime_exit();
+
+ return -e_MEI_ERR_OP_FAILED;
+}
+
+void* ppa_callback_get(e_ltq_mei_cb_type type) {
+ switch (type) {
+ case LTQ_MEI_SHOWTIME_ENTER:
+ return &ltq_ifx_mei_atm_showtime_enter_compat;
+ case LTQ_MEI_SHOWTIME_EXIT:
+ return &ltq_ifx_mei_atm_showtime_exit_compat;
+ break;
+ }
+
+ BUG();
+}
+
+int ifx_mei_atm_showtime_check(int *is_showtime,
+ struct port_cell_info *port_cell,
+ void **xdata_addr) {
+ return ltq_mei_showtime_check(0, is_showtime, port_cell, xdata_addr);
+}
+
+EXPORT_SYMBOL(ifx_mei_atm_showtime_enter);
+EXPORT_SYMBOL(ifx_mei_atm_showtime_exit);
+EXPORT_SYMBOL(ifx_mei_atm_showtime_check);
+#endif
+
EXPORT_SYMBOL (MEI_InternalXtmSwhowtimeEntrySignal);
EXPORT_SYMBOL (MEI_InternalXtmSwhowtimeExitSignal);
+#if 0
EXPORT_SYMBOL (MEI_InternalTcRequest);
EXPORT_SYMBOL (MEI_InternalTcReset);
+#endif
EXPORT_SYMBOL(ifx_mei_atm_led_blink);
#endif /* #if (MEI_EXPORT_INTERNAL_API == 1) && (MEI_DRV_ATM_PTM_INTERFACE_ENABLE == 1) */
--- a/src/drv_mei_cpe_api_atm_ptm_intern.h
+++ b/src/drv_mei_cpe_api_atm_ptm_intern.h
@@ -21,7 +21,6 @@
#include "drv_mei_cpe_config.h"
#include "drv_mei_cpe_interface.h"
-#include <net/ppa_stack_al.h>
#if (MEI_EXPORT_INTERNAL_API == 1) && (MEI_DRV_ATM_PTM_INTERFACE_ENABLE == 1)
@@ -59,8 +58,21 @@ extern IFX_int32_t MEI_InternalTcReset(
MEI_DYN_CNTRL_T *pMeiDynCntrl,
MEI_TC_Reset_t *pArgTcReset);
+#if 1
+#include <lantiq_atm.h>
+typedef enum {
+ LTQ_MEI_SHOWTIME_ENTER,
+ LTQ_MEI_SHOWTIME_EXIT
+} e_ltq_mei_cb_type;
+
+typedef void (*ltq_mei_atm_showtime_enter_t)(IFX_uint8_t, struct port_cell_info *, void *);
+typedef void (*ltq_mei_atm_showtime_exit_t)(IFX_uint8_t);
+
+void* ppa_callback_get(e_ltq_mei_cb_type type);
+#else
extern int ppa_callback_set(e_ltq_mei_cb_type type, void *func);
extern void* ppa_callback_get(e_ltq_mei_cb_type type);
+#endif
int ltq_mei_showtime_check(
const unsigned char line_idx,
--- a/src/drv_mei_cpe_device_vrx.c
+++ b/src/drv_mei_cpe_device_vrx.c
@@ -28,17 +28,6 @@
#include "drv_mei_cpe_api.h"
#include "drv_mei_cpe_mei_vrx.h"
-#if defined(LINUX)
-# if (LINUX_VERSION_CODE < KERNEL_VERSION(3,10,0))
-# if (MEI_SUPPORT_DEVICE_VR10_320 != 1)
-# include "ifx_pcie.h"
-# else
-# include "../drivers/net/ethernet/lantiq/lantiq_pcie.h"
-# endif
-# else
-# include "lantiq_pcie.h"
-# endif
-#endif /* #if defined(LINUX)*/
IFX_int32_t MEI_GPIntProcess(MEI_MeiRegVal_t processInt, MEI_DEV_T *pMeiDev)
{
@@ -86,6 +75,7 @@ IFX_int32_t MEI_GetChipInfo(MEI_DEV_T *p
*/
IFX_int32_t MEI_VR10_PcieEntitiesCheck(IFX_uint8_t nEntityNum)
{
+#if 0
IFX_uint32_t pcie_entitiesNum;
/* get information from pcie driver */
@@ -110,6 +100,9 @@ IFX_int32_t MEI_VR10_PcieEntitiesCheck(I
}
return IFX_SUCCESS;
+#else
+ return IFX_ERROR;
+#endif
}
/**
@@ -124,6 +117,7 @@ IFX_int32_t MEI_VR10_PcieEntitiesCheck(I
*/
IFX_int32_t MEI_VR10_PcieEntityInit(MEI_MEI_DRV_CNTRL_T *pMeiDrvCntrl)
{
+#if 0
IFX_uint8_t entityNum;
#if (MEI_SUPPORT_DEVICE_VR10_320 != 1)
ifx_pcie_ep_dev_t MEI_pcie_ep_dev;
@@ -156,6 +150,9 @@ IFX_int32_t MEI_VR10_PcieEntityInit(MEI_
pMeiDrvCntrl->MEI_pcie_irq = 99;
return IFX_SUCCESS;
+#else
+ return IFX_ERROR;
+#endif
}
/**
@@ -170,6 +167,7 @@ IFX_int32_t MEI_VR10_PcieEntityInit(MEI_
*/
IFX_int32_t MEI_VR10_PcieEntityFree(IFX_uint8_t entityNum)
{
+#if 0
#if (MEI_SUPPORT_DEVICE_VR10_320 != 1)
if (ifx_pcie_ep_dev_info_release(entityNum))
#else
@@ -183,6 +181,9 @@ IFX_int32_t MEI_VR10_PcieEntityFree(IFX_
}
return IFX_SUCCESS;
+#else
+ return IFX_ERROR;
+#endif
}
/**
@@ -197,6 +198,7 @@ IFX_int32_t MEI_VR10_PcieEntityFree(IFX_
*/
IFX_int32_t MEI_VR10_InternalInitDevice(MEI_DYN_CNTRL_T *pMeiDynCntrl)
{
+#if 0
IFX_int32_t retVal;
IOCTL_MEI_devInit_t InitDev;
MEI_DEV_T *pMeiDev = pMeiDynCntrl->pMeiDev;
@@ -221,6 +223,9 @@ IFX_int32_t MEI_VR10_InternalInitDevice(
*MEI_GPIO_U32REG(GPIO_P0_ALSEL1) &= ~((1 << 0) | (1 << 3) | (1 << 8));
return IFX_SUCCESS;
+#else
+ return IFX_ERROR;
+#endif
}
IFX_int32_t MEI_PLL_ConfigInit(MEI_DEV_T *pMeiDev)
--- a/src/drv_mei_cpe_download_vrx.c
+++ b/src/drv_mei_cpe_download_vrx.c
@@ -3281,12 +3281,14 @@ IFX_int32_t MEI_DEV_IoctlFirmwareDownloa
/* reset TC layer */
if (ret == 0)
{
+#if 0
if (MEI_InternalTcReset(pMeiDynCntrl, &tc_reset) != 0)
{
PRN_ERR_USR_NL( MEI_DRV, MEI_DRV_PRN_LEVEL_WRN,
("MEI_DRV[%02d]: Could not perform reset of TC-Layer!"
MEI_DRV_CRLF, MEI_DRV_LINENUM_GET(pMeiDev)));
}
+#endif
}
#endif
--- a/src/drv_mei_cpe_linux_proc_config.c
+++ b/src/drv_mei_cpe_linux_proc_config.c
@@ -1039,6 +1039,7 @@ static int mei_proc_single_open(struct i
return single_open(file, mei_seq_single_show, PDE_DATA(inode));
}
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5,6,0))
static struct file_operations proc_ops = {
.owner = THIS_MODULE,
.open = mei_proc_single_open,
@@ -1047,6 +1048,15 @@ static struct file_operations proc_ops =
.llseek = seq_lseek,
.write = MEI_ProcWriteConfig
};
+#else
+static struct proc_ops proc_ops = {
+ .proc_open = mei_proc_single_open,
+ .proc_release = single_release,
+ .proc_read = seq_read,
+ .proc_lseek = seq_lseek,
+ .proc_write = MEI_ProcWriteConfig
+};
+#endif
/**
Create an read/write proc entry for configuration.
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