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2016-03-11Merge remote-tracking branch 'spi/topic/core' into spi-nextMark Brown
2016-03-11spi: Add gfp parameter to kernel-doc to fix build warningJavier Martinez Canillas
The spi_split_transfers_maxsize() gfp parameter is missing in the function kernel-doc so building gives the following warning: .//drivers/spi/spi.c:2359: warning: No description found for parameter 'gfp' Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2016-03-10staging: rtl8723au: hal: Remove useless return variablesBhaktipriya Shridhar
This patch removes unnecessary return variables and compresses the return logic. The coccinelle script that finds and fixes this issue is: @@ type T; identifier i,f; constant C; @@ - T i; ...when != i when strict ( return -C; | - i = + return f(...); - return i; ) Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10Staging: rtl8723au: Remove debug messagesBhumika Goyal
As kmalloc generates a backtrace on failure so there is no need of these debug messages when kmalloc fails. Also remove unwanted {} around if block after removal of these messages. Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10Staging: rtl8723au: Clean up tests if NULL returned on failureBhumika Goyal
Some functions like kmalloc/usb_alloc_urb returns Null as their return value on failure. !x is generally preferred over x==NULL or NULL==x. So make use of !x if the value returned on failure by these functions is NULL. Done using coccinelle: @@ expression e; statement S; @@ e = \(kmalloc\|devm_kzalloc\|kmalloc_array \|devm_ioremap\|usb_alloc_urb\|alloc_netdev\)(...); - if(e==NULL) + if(!e) S Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: rtl8723au: Remove unnecessary paranthesesBhaktipriya Shridhar
Removed parantheses on the right hand side of assignments as they are not needed. This was done with Coccinelle: @@ expression a, b; @@ a = - ( b - ) ; Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: rtl8723au: core: rtw_recv: use list_first_entry()Geliang Tang
Use list_first_entry() instead of container_of() to simplify the code. Signed-off-by: Geliang Tang <geliangtang@163.com> Acked-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: rtl8723au: core: rtw_xmit: use list_first_entry_or_null()Geliang Tang
Use list_first_entry_or_null() instead of list_empty() + container_of() to simplify the code. Signed-off-by: Geliang Tang <geliangtang@163.com> Acked-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: rtl8723au: core: rtw_recv: use list_first_entry_or_null()Geliang Tang
Use list_first_entry_or_null() instead of list_empty() + container_of() to simplify the code. Signed-off-by: Geliang Tang <geliangtang@163.com> Acked-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10Revert "staging: comedi: drivers: Remove unneeded NULL check before kfree()"Greg Kroah-Hartman
This reverts commit 3545bee9b8ec00ba733e17363f494c8761fb5e49. It's not correct. Reported-by: Hartley Sweeten <HartleyS@visionengravers.com> Cc: Janani Ravichandran <janani.rvchndrn@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: comedi: ni_pcidio.c: Prefer using macro DIV_ROUND_UPBhaktipriya Shridhar
The macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) /(d)). It clarifies the divisor calculations. This was done using the coccinelle script: @@ expression e1; expression e2; @@ ( - ((e1) + e2 - 1) / (e2) + DIV_ROUND_UP(e1,e2) | - ((e1) + (e2 - 1)) / (e2) + DIV_ROUND_UP(e1,e2) ) Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: comedi: dt282x: Prefer using macro DIV_ROUND_UPBhaktipriya Shridhar
The macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) /(d)). It clarifies the divisor calculations. This was done using the coccinelle script: @@ expression e1; expression e2; @@ ( - ((e1) + e2 - 1) / (e2) + DIV_ROUND_UP(e1,e2) | - ((e1) + (e2 - 1)) / (e2) + DIV_ROUND_UP(e1,e2) ) Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: comedi: rtd520: Prefer using macro DIV_ROUND_UPBhaktipriya Shridhar
The macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) /(d)). It clarifies the divisor calculations. This was done using the coccinelle script: @@ expression e1; expression e2; @@ ( - ((e1) + e2 - 1) / (e2) + DIV_ROUND_UP(e1,e2) | - ((e1) + (e2 - 1)) / (e2) + DIV_ROUND_UP(e1,e2) ) Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: comedi: drivers: ni_mio_common: Prefer using macro DIV_ROUND_UPBhaktipriya Shridhar
The macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) /(d)). It clarifies the divisor calculations. This was done using the coccinelle script: @@ expression e1; expression e2; @@ ( - ((e1) + e2 - 1) / (e2) + DIV_ROUND_UP(e1,e2) | - ((e1) + (e2 - 1)) / (e2) + DIV_ROUND_UP(e1,e2) ) Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: comedi: drivers: amplc_pci230: Prefer using macro DIV_ROUND_UPBhaktipriya Shridhar
The macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) /(d)). It clarifies the divisor calculations. This was done using the coccinelle script: @@ expression e1; expression e2; @@ ( - ((e1) + e2 - 1) / (e2) + DIV_ROUND_UP(e1,e2) | - ((e1) + (e2 - 1)) / (e2) + DIV_ROUND_UP(e1,e2) ) Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10Staging: comedi: Use predefined macro offset_in_page() instead of (addr & ↵Sandhya Bankar
~PAGE_MASK). Use predefined macro offset_in_page() instead of (addr & ~PAGE_MASK). Signed-off-by: Sandhya Bankar <bankarsandhya512@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: comedi: drivers: gsc_hpdi: Remove use of deprecated pci APIAmitoj Kaur Chawla
Replace pci_[alloc|free]_consistent occurences with dma_[alloc|free]_coherent. The Coccinelle semantic patch that was used to make some of these changes is as follows: @deprecated@ idexpression id; position p; @@ ( pci_dma_supported@p ( id, ...) | pci_alloc_consistent@p ( id, ...) ) @bad1@ idexpression id; position deprecated.p; @@ ...when != &id->dev when != pci_get_drvdata ( id ) when != pci_enable_device ( id ) ( pci_dma_supported@p ( id, ...) | pci_alloc_consistent@p ( id, ...) ) @depends on !bad1@ idexpression id; expression direction; position deprecated.p; @@ ( - pci_dma_supported@p ( id, + dma_supported ( &id->dev, ... + , GFP_KERNEL ) | - pci_alloc_consistent@p ( id, + dma_alloc_coherent ( &id->dev, ... + , GFP_KERNEL ) ) gsc_hpdi_auto_attach does not affect interrupt status but contains a call to comedi_alloc_devpriv() which calls kzalloc with GFP_KERNEL flag. Thus, there seems to be no danger that dma_alloc_coherent can be called with interrupts turned off, and GFP_KERNEL can be used. Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: unisys: visornic: Remove unnecessary else after returnBhaktipriya Shridhar
This patch fixes the checkpatch warning that else is not generally useful after a break or return. This was done using Coccinelle: @@ expression e2; statement s1; @@ if(e2) { ... return ...; } -else s Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: unisys: visorbus: clean up visorchannel_clearDavid Kershner
Goto label was ambiguous change to out_free_page to signify that we will always go through the path even on success. Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Timothy Sell <timothy.sell@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: unisys: visorbus: cleanup gotos in visorchannel_create_gutsDavid Kershner
Away label is ambiguous change to it err_destroy_channel to make it clear this is an error path. Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Timothy Sell <timothy.sell@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10Staging: most: Use usb_endpoint_dir_in(endpoint) instead of ↵Sandhya Bankar
(endpoint->bEndpointAddress & USB_DIR_IN). Use usb_endpoint_dir_in(endpoint) instead of (endpoint->bEndpointAddress & USB_DIR_IN) to check if the endpoint has IN direction. This correction is based on following semantic patch, @@ struct usb_endpoint_descriptor *endpoint; expression E; @@ ( - endpoint->bEndpointAddress & USB_DIR_IN + usb_endpoint_dir_in(endpoint) | - endpoint->bEndpointAddress == USB_DIR_IN + usb_endpoint_dir_in(endpoint) | - (endpoint->bEndpointAddress & E) == USB_DIR_IN + usb_endpoint_dir_in(endpoint) ) Signed-off-by: Sandhya Bankar <bankarsandhya512@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10Staging: most: Use list_first_entry instead of list_entryBhumika Goyal
This patch replaces list_entry with list_first_entry as it makes the code more clear. Done using coccinelle: @@ expression e; @@ ( - list_entry(e->next, + list_first_entry(e, ...) | - list_entry(e->prev, + list_last_entry(e, ...) ) Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: unisys: visorinput: convert pr_err() to dev_err()Eva Rachel Retuya
Replace pr_err() calls with respective dev_err() counterpart. Semantic patch used to detect and apply the transformation: @r exists@ identifier f,s,i; position p; @@ f(...,struct s *i,...) { <+... pr_err@p(...) ...+> } @s@ identifier r.s, dev; @@ struct s { ... struct device dev; ... }; @t@ identifier r.i, s.dev; expression fmt; position r.p; @@ - pr_err@p( + dev_err(&i->dev, fmt, ...); Signed-off-by: Eva Rachel Retuya <eraretuya@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10Staging: most: Replace pr_err with dev_errBhumika Goyal
All devm functions has a device structure as the first argument which is required by dev_{err,info,dbg} printing functions. This patch converts pr_err to dev_err as dev_* is preferred after calls to devm functions. Done using coccinelle: @r1 exists@ expression e,e1; identifier f =~ "^devm_"; identifier g =~ "^pcim_"; identifier h =~ "^dmam_"; @@ e=\(f\|g\|h\)(e1,...); <+... ( - pr_info( + dev_info(e1, ...); | - pr_err( + dev_err(e1, ...); | - pr_debug( + dev_dbg(e1, ...); ) ...+> Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: unisys: visorbus: variable adjustment should be a u64David Kershner
This patch fixes the smatch error: drivers/staging/unisys/visorbus/visorchipset.c:2217 visorchipset_ioctl() warn: user controlled 'adjustment' cast to postive rl = 's64min-s64max' This is because we read a s64 and pass it to a function as u64. Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10Staging: vt6655: Remove & from function name.Sandhya Bankar
Remove & from function name,when function name passed as an argument to another function. Function name is used as pointer without &. Signed-off-by: Sandhya Bankar <bankarsandhya512@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10Staging: vt6655: remove unnecessary blank lines from card.cBen Marsh
This a patch to card.c to remove unnecessary blank lines in order to remove a checkpatch.pl warning. Signed-off-by: Ben Marsh <bmarsh94@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: vt6656: Remove unnecessary parenthesesRehas Sachdeva
This patch removes the following checkpatch.pl warnings: Unnecessary parentheses around al7230_init_table_amode[0][0] Unnecessary parentheses around al7230_channel_table2[0][0] Signed-off-by: Rehas Sachdeva <aquannie@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: vt6655: mac.c replace dwData with data.Malcolm Priestley
Removing camel case and type prefix. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: vt6655: mac.c replace wOffset with offset.Malcolm Priestley
Removing camel case and type prefix. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: vt6655: mac.c replace byOrgDMACtl with org_dma_ctlMalcolm Priestley
Removing camel case and type prefix. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: vt6655: mac Replace dwCurrDescAddr with curr_desc_addr.Malcolm Priestley
Removing camel case and type prefix. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: vt6655: mac.c replace VNSvInPortB with ioread8Malcolm Priestley
Removing the macro from functions. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: vt6655: MACvSetLoopbackMode replace byOrgValue with ioread8Malcolm Priestley
Removing VNSvInPortB and nesting inside iowrite8. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: vt6655: MACbPSWakeup replace VNSvInPortB byOrgValue with ioread8Malcolm Priestley
removing byOrgValue variable. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: vt6655: mac.c replace VNSvOutPortB with iowrite8Malcolm Priestley
removing macro from functions Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: vt6655: mac.c replace VNSvOutPortW with iowrite16Malcolm Priestley
removig macro from functions. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: vt6655: mac.c replace VNSvOutPortD with iowrite32.Malcolm Priestley
Removing the macro from functions. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: vt6655: mac.c/h resize all unsigned long to u32Malcolm Priestley
All addressing is limited to 32 bits match this to all functions and port out functions. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: vt6655: MACvRestoreContext replace for loops with memcpy_toio.Malcolm Priestley
Removing the need for variable ii. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: vt6655: mac.c rename pbyCxtBuf to cxt_bufMalcolm Priestley
Removing camel case and type prefix. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: vt6655: MACvSaveContext use memcpy_fromio to read context.Malcolm Priestley
Use memcpy_fromio to store data removing the need for local count. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: vt6655: replace VNSvInPortD dwData reads with ioread32Malcolm Priestley
Removing dwData variable altogether. The reads are always 32 bit insize. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: vt6655: mac.c Replace VNSvInPortB byData reads with ioread8.Malcolm Priestley
Removing byData variable altogether. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-10staging: vt6655: mac.c rename dwIoBase to io_baseMalcolm Priestley
Removing camel case. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-11dmaengine: IOATDMA: revise channel reset workaround on CB3.3 platformsDave Jiang
Previously we unloaded the interrupts and reloaded in order to work around a channel reset bug that cleared the MSIX table. This approach just isn't practical when a reset needs to happen in the error handler that just happens to be running in interrupt context (bottom half). It looks like we can work around the hardware issue by just storing a shadow copy of the MSIX table and restore it after reset. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2016-03-11dmaengine: add Qualcomm Technologies HIDMA channel driverSinan Kaya
This patch adds support for hidma engine. The driver consists of two logical blocks. The DMA engine interface and the low-level interface. The hardware only supports memcpy/memset and this driver only support memcpy interface. HW and driver doesn't support slave interface. Signed-off-by: Sinan Kaya <okaya@codeaurora.org> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2016-03-11dmaengine: add Qualcomm Technologies HIDMA management driverSinan Kaya
The Qualcomm Technologies HIDMA device has been designed to support virtualization technology. The driver has been divided into two to follow the hardware design. 1. HIDMA Management driver 2. HIDMA Channel driver Each HIDMA HW consists of multiple channels. These channels share some set of common parameters. These parameters are initialized by the management driver during power up. Same management driver is used for monitoring the execution of the channels. Management driver can change the performance behavior dynamically such as bandwidth allocation and prioritization. The management driver is executed in host context and is the main management entity for all channels provided by the device. Signed-off-by: Sinan Kaya <okaya@codeaurora.org> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2016-03-11dmaengine: qcom_bam_dma: move to qcom directorySinan Kaya
Creating a QCOM directory for all QCOM DMA source files. Signed-off-by: Sinan Kaya <okaya@codeaurora.org> Reviewed-by: Andy Gross <agross@codeaurora.org> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2016-03-10staging: lustre: make lustre dependent on LNetJames Simmons
In the case of lustre routers you only need a functioning LNet stack. Especially since often the routers are very light weight and want to avoid any addition software that would create additional pressures on the system. Signed-off-by: James Simmons <jsimmons@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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